4
Umberson, D., & Montez, J.K. (2010). Social Relationships and Health: A Flashpoint for Health Policy. Journal of Health and Social Behavior, 51 (Suppl), S54-S66. http://doil.org/1001177/0022146510383501.
5
Robert A. Emmons and Michael E. McCullough, «Counting Blessings Versus Burdens: An Experimental Investigation of Gratitude and Subjective Well-Being in Daily Life», Journal of Personality and Social Psychology 84, no. 2 (2003): 377–389. Статья доступна по ссылке http://greatergood.berkeley.edu/pdfs/GratitudePDFs/6Emmons-BlessingsBurdens.pdf.
6
«Health Benefits of Strong Relationships».
7
Ibid.