Desrochers D.M., Hurlburt S. Trends in College Spending: 2001–2011; A Delta Data Update // Delta Cost Project: American Institutes for Research. 2014. ‹›.
33
Hiltonsmith R. Pulling Up the Higher-Ed Ladder: Myth and Reality in the Crisis of College Affordability. ‹›.
34
Murphy L., Nagel T. The Myth of Ownership. N. Y.: Oxford University Press, 2001.
35
DeSteno D., Bartlett M.Y., Baumann J. et al. Gratitude as Moral Sentiment: Emotion-Guided Cooperation in Economic Exchange // Emotion. 2010. Vol. 10. No. 2. P. 289–293.