Prager, A. (1979). The Mahogany Tree: An informal history of Punch. New York: Hawthorn.
शिकागो स्टाइल उद्धरणPrager, Arthur. The Mahogany Tree: An Informal History of Punch. New York: Hawthorn, 1979.
एमएलए उद्धरणPrager, Arthur. The Mahogany Tree: An Informal History of Punch. New York: Hawthorn, 1979.
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