Dyfyniad APA

Turner, R. (1987). Thinkers of the Twenthieth century (2nd ed.). St. James Press.

Dyfyniad Arddull Chicago

Turner, Roland. Thinkers of the Twenthieth Century. 2nd ed. Chicago : London: St. James Press, 1987.

Dyfyniad MLA

Turner, Roland. Thinkers of the Twenthieth Century. 2nd ed. St. James Press, 1987.

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