APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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