Dyfyniad APA
Carter, G. M., Herz, J. H., & Ranney, J. C. (1967). Major foreign powers (5th ed.). Harcourt Brace Jovanovich.
Dyfyniad Arddull Chicago
Carter, Gwendolen Margaret, John H. Herz, and John C. Ranney. Major Foreign Powers. 5th ed. New York: Harcourt Brace Jovanovich, 1967.
Dyfyniad MLA
Carter, Gwendolen Margaret, et al. Major Foreign Powers. 5th ed. Harcourt Brace Jovanovich, 1967.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.