Roche, J. P. (1967). Origins of American political thought: Selected readings. Scientific book agency.
शिकागो स्टाइल उद्धरणRoche, John P. Origins of American Political Thought: Selected Readings. Calcutta: Scientific book agency, 1967.
एमएलए उद्धरणRoche, John P. Origins of American Political Thought: Selected Readings. Scientific book agency, 1967.
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