Gaya APA

Sunstein, C, R., Thaler, R, H. (2008). Nudge: Improving Decisions About Health, Wealth, and Happiness . New Haven & London: Yale University Press.

Gaya MLA

Sunstein, Cass, R., Thaler, Richard, H.. "Nudge: Improving Decisions About Health, Wealth, and Happiness". New Haven & London: Yale University Press, 2008. e-book.