Dyfyniad APA

Vernadsky, G. (1954). A history of Russia (4th ed., completely rev.). Yale University Press.

Dyfyniad Arddull Chicago

Vernadsky, George. A History of Russia. 4th ed., completely rev. New Haven: Yale University Press, 1954.

Dyfyniad MLA

Vernadsky, George. A History of Russia. 4th ed., completely rev. Yale University Press, 1954.

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