Dyfyniad APA

Vigor, P. (1971). Books on communism and the communist countries. London: Ampersand.

Dyfyniad Arddull Chicago

Vigor, P.H. Books on Communism and the Communist Countries. London: Ampersand, 1971.

Dyfyniad MLA

Vigor, P.H. Books on Communism and the Communist Countries. London: Ampersand, 1971.

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