Brown, D. (1980). Fresh water snails of Africa and their medical importance. Taylor and francis Ltd.
Trích dẫn kiểu ChicagoBrown, D.S. Fresh Water Snails of Africa and Their Medical Importance. London: Taylor and francis Ltd, 1980.
Trích dẫn MLABrown, D.S. Fresh Water Snails of Africa and Their Medical Importance. Taylor and francis Ltd, 1980.
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