Dyfyniad APA

Brown, D. (1980). Fresh water snails of Africa and their medical importance. Taylor and francis Ltd.

Dyfyniad Arddull Chicago

Brown, D.S. Fresh Water Snails of Africa and Their Medical Importance. London: Taylor and francis Ltd, 1980.

Dyfyniad MLA

Brown, D.S. Fresh Water Snails of Africa and Their Medical Importance. Taylor and francis Ltd, 1980.

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