Carter, G. M., Herz, J. H., & Ranney, J. C. (1957). Major foreign powers: The Governments of Great Britain, France, Germany, and the Soviet Union (3d ed.). Harcourt, Brace.
Cita Chicago (17th ed.)Carter, Gwendolen M., John H. Herz, i John C. Ranney. Major Foreign Powers: The Governments of Great Britain, France, Germany, and the Soviet Union. 3d ed. New York: Harcourt, Brace, 1957.
Cita MLA (9th ed.)Carter, Gwendolen M., et al. Major Foreign Powers: The Governments of Great Britain, France, Germany, and the Soviet Union. 3d ed. Harcourt, Brace, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.