Dyfyniad APA

Johnson, C. O. (1955). American Government: National, State, and local (2d. ed.). Crowell.

Dyfyniad Arddull Chicago

Johnson, Claudius O. American Government: National, State, and Local. 2d. ed. New York: Crowell, 1955.

Dyfyniad MLA

Johnson, Claudius O. American Government: National, State, and Local. 2d. ed. Crowell, 1955.

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