Charles J Krebs. (1994). Ecology: The experimental analysis of distribution and abundance. New York: Harper Collins.
शिकागो स्टाइल उद्धरणCharles J Krebs. Ecology: The Experimental Analysis of Distribution and Abundance. New York: Harper Collins, 1994.
एमएलए उद्धरणCharles J Krebs. Ecology: The Experimental Analysis of Distribution and Abundance. New York: Harper Collins, 1994.
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