QASIM, S. R. (1985). Wastewater Treatment Plants Planning Design And Operation Syed R. Qasim. CBS College Publishing.
Čikaški stil citiranja (17. izdanje)QASIM, Syed R. Wastewater Treatment Plants Planning Design And Operation Syed R. Qasim. CBS College Publishing, 1985.
MLA način citiranja (8. izdanje)QASIM, Syed R. Wastewater Treatment Plants Planning Design And Operation Syed R. Qasim. CBS College Publishing, 1985.
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