17 EU/Leidner. The European Tourism Industry, 33-34.
18 www.blueguides.com. www.wikipedia.org. ‘Guide book’.
20 www.fodors.com. www.lonelyplanet.com. www.roughguides.com
21 www.wikipedia.org. ‘Map’.
22 www.michelin.com.
23 www.wikipedia.org. ‘Weather forecasting’.
24 Eurostat. Panorama on Tourism, 31. TIA. U S. Travel Market Overview.
25 EU (2006). Energy and Transport in Figures 2005. US Census Bureau (2007). Statistical Abstracts. Transportation: www.census.gov.
26 EU/Leidner. The European Tourism Industry, 39.
27 www.sncf.com. www.accorhotels.com
28 www.stenalines.com. www.scandlines.com.
29 Drewry (2006). The European Ferry Industry: www.drewry.co.uk.
30 ATAG (2005). The Economic & Social Benefits of Air Transport: www.atag.org.
31 ATW. World Airline Financial Results 2005.
32 www.iata.org.
33 www.staralliance.com. www.oneworld.com. www.skyteam.com.
34 Christensen, Jens (2000). IT and Business, 178-182, 234-236, 370-371. Aarhus; Aarhus University Press. www.sabre.com/history. www.galileo.com. www.worldspan.com/history.
35 Cheyne, Jo, Mary Downes, and Stephen Legg (2005). ‘Travel Agent vs. Internet: What Influences Travel Consumer Choices’? Journal of Vacation Marketing, vol. 12, 41-57. Hyde, Kenneth F. and Rob Lawson (2003). ‘The Nature of Independent Travel’. Journal of Travel Research, vol. 42, 13-23.
36 Dolnicar, Sara and Christian Laesser (2007). ‘Travel Agency Marketing Strategy: Insights from Switzerland’. Journal of Travel Research, vol.46, 133-146.
38 Sabre (2007). Annual Report 2006: www.sabre.com.
39 Information Week. 2.2.2006.
40 EU (2006). ICT and e-Business in the Tourism Industry. Sector Report No. 8/2006: www.unionnetwork.org. www.wikipedia.org. ‘Computer reservation systems’.
41 www.galileo.com. www.travelport.com. www.worldspan.com.
42 www.cendant.com. www.blackstonegroup.com
43 www.cendant.com. www.blackstonegroup.com.
44 www.amadeus.com.
45 Amadeus (2005). Annual Report 2004-2005.
47 www.expedia.com.
49 www.kayak.com.
50 www.youtube.com. www.myspace.com. www.facebook.com.
52 www.expedia.com.
53 www.professionaltravelguide.com.
55 EU/Leidner. The European Tourism Industry, 33-35.
56 Research on the tour operating industry is sparse, see for instance: Dale, Christie (2001). ‘The UK Tour-Operating Industry: A Competitive Analysis’. Journal of Vacation Marketing, vol. 6, 357-367.
57 Kuoni (2006). Annual Report 2005, 56-57: www.kuoni.com.
58 TUI (2006-2007). Annual Reports 2005 and 2006: www.tui.com.
59 www.tuigroup.com. www.thomascookgroup.com.
61 Thomas Cook Group (2006-07). Annual Reports 2006-07: www.thomascookgroup.com.
62 MyTravel (2006-07). Annual Reports 2005-06: www.mytravel.com.
64 www.kuoni.com.
65 www.carlson.com.