Dyfyniad APA

Burton-Chellew, M., & West, S. (2012). Prosocial preferences do not explain human cooperation in public-goods games. National Academy of Sciences.

Dyfyniad Arddull Chicago

Burton-Chellew, M., and S. West. Prosocial Preferences Do Not Explain Human Cooperation in Public-goods Games. National Academy of Sciences, 2012.

Dyfyniad MLA

Burton-Chellew, M., and S. West. Prosocial Preferences Do Not Explain Human Cooperation in Public-goods Games. National Academy of Sciences, 2012.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.