Yorke, W. (1913). SLEEPING SICKNESS AND BIG GAME: A PROPOSED EXPERIMENT.
शिकागो स्टाइल उद्धरणYorke, Warrington. SLEEPING SICKNESS AND BIG GAME: A PROPOSED EXPERIMENT. 1913.
एमएलए उद्धरणYorke, Warrington. SLEEPING SICKNESS AND BIG GAME: A PROPOSED EXPERIMENT. 1913.
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