Qasim, S. R. (1999). Wastewater treatment plants: Planning, design, and operation (Second edition.). CRC Press.
Čikaški stil citiranja (17. izdanje)Qasim, Syed R. Wastewater Treatment Plants: Planning, Design, and Operation. Second edition. Boca Raton: CRC Press, 1999.
MLA način citiranja (8. izdanje)Qasim, Syed R. Wastewater Treatment Plants: Planning, Design, and Operation. Second edition. CRC Press, 1999.
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