Polderman, A. M. (1975). The transmission of intestinal schistosomiasis in Begemder Province, Ethiopia. Universitaire Pers Leiden.
Cita Chicago Style (17a ed.)Polderman, A. M. The Transmission of Intestinal Schistosomiasis in Begemder Province, Ethiopia. [Leiden: Universitaire Pers Leiden, 1975.
Cita MLA (8a ed.)Polderman, A. M. The Transmission of Intestinal Schistosomiasis in Begemder Province, Ethiopia. Universitaire Pers Leiden, 1975.
Precaución: Estas citas no son 100% exactas.