Dyfyniad APA

(1939). The Annals of the American Academy of Political and Social Science. ANNALS.

Dyfyniad Arddull Chicago

The Annals of the American Academy of Political and Social Science. Philadelphia: ANNALS, 1939.

Dyfyniad MLA

The Annals of the American Academy of Political and Social Science. ANNALS, 1939.

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