Tyler, T. R. (2011). Why people cooperate: The role of social motivations. Princeton University Press.
Citazione stile Chigago Style (17a edizione)Tyler, Tom R. Why People Cooperate: The Role of Social Motivations. Princeton, New Jersey: Princeton University Press, 2011.
Citatione MLA (9a ed.)Tyler, Tom R. Why People Cooperate: The Role of Social Motivations. Princeton University Press, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.