Brown, D. (1980). Fresh water snails of Africa and their medical importance. Taylor and francis Ltd.
Chicago ZitierstilBrown, D.S. Fresh Water Snails of Africa and Their Medical Importance. London: Taylor and francis Ltd, 1980.
MLA ZitierstilBrown, D.S. Fresh Water Snails of Africa and Their Medical Importance. Taylor and francis Ltd, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.