Dyfyniad APA

Cohen, M. N. (1989). Health and the rise of civilization. Yale University Press.

Dyfyniad Arddull Chicago

Cohen, Mark Nathan. Health and the Rise of Civilization. New Haven: Yale University Press, 1989.

Dyfyniad MLA

Cohen, Mark Nathan. Health and the Rise of Civilization. Yale University Press, 1989.

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