Elhmmali, M. M. (1998). Complementary use of bile acids and sterols as sewage pollution indicators. University of Bristol.
Citace podle Chicago (17th ed.)Elhmmali, Mohaned Mimoun. Complementary Use of Bile Acids and Sterols as Sewage Pollution Indicators. England: University of Bristol, 1998.
Citace podle MLA (8th ed.)Elhmmali, Mohaned Mimoun. Complementary Use of Bile Acids and Sterols as Sewage Pollution Indicators. University of Bristol, 1998.
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