(2000). Outline of U.S. government. [Washington, D.C.]: International Information Programs, U.S. Department of State.
शिकागो स्टाइल उद्धरणOutline of U.S. Government. [Washington, D.C.]: International Information Programs, U.S. Department of State, 2000.
एमएलए उद्धरणOutline of U.S. Government. [Washington, D.C.]: International Information Programs, U.S. Department of State, 2000.
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