Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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