Parrington, V. L. (1958). Main Currents in American Thought. Harcourt, Brace & World, inc.
शिकागो स्टाइल उद्धरणParrington, Vernon Louis. Main Currents in American Thought. New York: Harcourt, Brace & World, inc, 1958.
एमएलए उद्धरणParrington, Vernon Louis. Main Currents in American Thought. Harcourt, Brace & World, inc, 1958.
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