Dyfyniad APA

Hamilton, W. J. American Mammals: Their Lives, Habits and Economic Relations. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Hamilton, W. J. American Mammals: Their Lives, Habits and Economic Relations. New York: McGraw-Hill.

Dyfyniad MLA

Hamilton, W. J. American Mammals: Their Lives, Habits and Economic Relations. New York: McGraw-Hill.

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