Dyfyniad APA
Lamprecht, S. P. (1939). The century philosophy series. Appleton-Century Co.
Dyfyniad Arddull Chicago
Lamprecht, Sterling Power. The Century Philosophy Series. New York, London: Appleton-Century Co, 1939.
Dyfyniad MLA
Lamprecht, Sterling Power. The Century Philosophy Series. Appleton-Century Co, 1939.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.