Gaya APA
Thaler, R, H., Sunstein, C, R. (2009).
Nudge: Improving Decisions About Health, Wealth, and Hapiness .
England:
Penguin Group.
Gaya MLA
Thaler, Richard, H.., Sunstein, Cass, R..
"Nudge: Improving Decisions About Health, Wealth, and Hapiness".
England:
Penguin Group,
2009.
Text.