Dyfyniad APA

Jennings, H. S. (1930). The biological basis of human nature. W.W. Norton & Company, inc.

Dyfyniad Arddull Chicago

Jennings, H. S. The Biological Basis of Human Nature. New York: W.W. Norton & Company, inc, 1930.

Dyfyniad MLA

Jennings, H. S. The Biological Basis of Human Nature. W.W. Norton & Company, inc, 1930.

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