Nowak, M. A., & Highfield, R. (2011). SuperCooperators: Altruism, evolution, and why we need each other to succeed / Martin A. Nowak with Roger Highfield (1. Free Press hardcover ed.). Free Press.
Lua i Stíl Chicago (17ú heag.)Nowak, Martin A., agus Roger Highfield. SuperCooperators: Altruism, Evolution, and Why We Need Each Other to Succeed / Martin A. Nowak with Roger Highfield. 1. Free Press hardcover ed. New York [u.a.]: Free Press, 2011.
Lua MLA (8ú heag.)Nowak, Martin A., agus Roger Highfield. SuperCooperators: Altruism, Evolution, and Why We Need Each Other to Succeed / Martin A. Nowak with Roger Highfield. 1. Free Press hardcover ed. Free Press, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.