Targonski, R. (2000). Outline of US Govermment. United States Department of States.
Cita Chicago (17th ed.)Targonski, Rosalie. Outline of US Govermment. United States Department of States, 2000.
Cita MLA (9th ed.)Targonski, Rosalie. Outline of US Govermment. United States Department of States, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.