Elhmmali, M. M. (1998). Complementary use of bile acids and sterols as sewage pollution indicators. University of Bristol.
Čikaški stil citiranja (17. izdanje)Elhmmali, Mohaned Mimoun. Complementary Use of Bile Acids and Sterols as Sewage Pollution Indicators. England: University of Bristol, 1998.
MLA način citiranja (8. izdanje)Elhmmali, Mohaned Mimoun. Complementary Use of Bile Acids and Sterols as Sewage Pollution Indicators. University of Bristol, 1998.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.