Fretter, V. [. (1968). Studies in the structure, physiology and ecology of molluscs. The Zoological Society of London.
शिकागो स्टाइल उद्धरणFretter, Vera [ed.]. Studies in the Structure, Physiology and Ecology of Molluscs. London: The Zoological Society of London, 1968.
एमएलए उद्धरणFretter, Vera [ed.]. Studies in the Structure, Physiology and Ecology of Molluscs. The Zoological Society of London, 1968.
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