Dyfyniad APA

Sanderson, S. (2014). Human nature and the evolution of society. Westview Press.

Dyfyniad Arddull Chicago

Sanderson, Stephen. Human Nature and the Evolution of Society. Boulder, Colorado: Westview Press, 2014.

Dyfyniad MLA

Sanderson, Stephen. Human Nature and the Evolution of Society. Westview Press, 2014.

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