Gulland, J. A. (1983). Fish stock assessment: : a manual of basic methods. John wiley.
शिकागो स्टाइल उद्धरणGulland, J. A. Fish Stock Assessment: : A Manual of Basic Methods. New York: John wiley, 1983.
एमएलए उद्धरणGulland, J. A. Fish Stock Assessment: : A Manual of Basic Methods. John wiley, 1983.
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