Dyfyniad APA

Freidel, F., & Pollack, N. (1966). American Issues in theTwentieth Century. Sceintific Book Company.

Dyfyniad Arddull Chicago

Freidel, Frand, and Norman Pollack. American Issues in TheTwentieth Century. Calcutta: Sceintific Book Company, 1966.

Dyfyniad MLA

Freidel, Frand, and Norman Pollack. American Issues in TheTwentieth Century. Sceintific Book Company, 1966.

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