Dyfyniad APA

Casner, M. B., & Gabriel, R. H. (1955). The story of American democracy (3rd ed.). Harcourt, Brace.

Dyfyniad Arddull Chicago

Casner, Mabel B., and Ralph Henry Gabriel. The Story of American Democracy. 3rd ed. New York: Harcourt, Brace, 1955.

Dyfyniad MLA

Casner, Mabel B., and Ralph Henry Gabriel. The Story of American Democracy. 3rd ed. Harcourt, Brace, 1955.

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