Dyfyniad APA
Ziegler, C. E. (2009). The history of Russia (2nd ed.). Greenwood Press.
Dyfyniad Arddull Chicago
Ziegler, Charles E. The History of Russia. 2nd ed. Santa Barbara, CA: Greenwood Press, 2009.
Dyfyniad MLA
Ziegler, Charles E. The History of Russia. 2nd ed. Greenwood Press, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.