Sawyer, R. K. (2005). Social emergence: Societies as complex systems. Cambridge University Press.
استشهاد بنمط شيكاغوSawyer, R. Keith. Social Emergence: Societies as Complex Systems. New York: Cambridge University Press, 2005.
MLA استشهادSawyer, R. Keith. Social Emergence: Societies as Complex Systems. Cambridge University Press, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.