Dyfyniad APA

Green, C. V. (1928). Birth and death rates of the feeble minded.

Dyfyniad Arddull Chicago

Green, Charles V. Birth and Death Rates of the Feeble Minded. Cold Spring Harbor, L. I., N. Y, 1928.

Dyfyniad MLA

Green, Charles V. Birth and Death Rates of the Feeble Minded. 1928.

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