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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNowak, Martin A., और 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.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNowak, Martin A., और 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.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.