Dyfyniad APA

(2011). Why people cooperate: The role of social motivations / Tom R. Tyler.

Dyfyniad Arddull Chicago

Why People Cooperate: The Role of Social Motivations / Tom R. Tyler. 2011.

Dyfyniad MLA

Why People Cooperate: The Role of Social Motivations / Tom R. Tyler. 2011.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.