Randall, J. (1956). Lincoln, The President: Spring Field to Bullrum. Dodd, Mead & Company.
शिकागो स्टाइल उद्धरणRandall, J.G. Lincoln, The President: Spring Field to Bullrum. New York: Dodd, Mead & Company, 1956.
एमएलए उद्धरणRandall, J.G. Lincoln, The President: Spring Field to Bullrum. Dodd, Mead & Company, 1956.
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