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