Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.