Coyle, D. C. (1954). The United States political system: And how it works. New American Library.
Citace podle Chicago (17th ed.)Coyle, David Cushman. The United States Political System: And How It Works. [New York]: New American Library, 1954.
Citace podle MLA (8th ed.)Coyle, David Cushman. The United States Political System: And How It Works. New American Library, 1954.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..