Παραπομπή σε μορφή APA (7η εκδ.)

Elhmmali, M. M. (1998). Complementary use of bile acids and sterols as sewage pollution indicators. University of Bristol.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Elhmmali, Mohaned Mimoun. Complementary Use of Bile Acids and Sterols as Sewage Pollution Indicators. England: University of Bristol, 1998.

Παραπομπή σε μορφή MLA (8th εκδ.)

Elhmmali, Mohaned Mimoun. Complementary Use of Bile Acids and Sterols as Sewage Pollution Indicators. University of Bristol, 1998.