APA način citiranja (7. izdanje)
Gu, A. Z. (2014). Phosphorus fractionation and removal in wastewater treatment--implications for minimizing effluent phosphorus. IWA Publishing.
Čikaški stil citiranja (17. izdanje)
Gu, April Z. Phosphorus Fractionation and Removal in Wastewater Treatment--implications for Minimizing Effluent Phosphorus. London, England: IWA Publishing, 2014.
MLA način citiranja (9. izdanje)
Gu, April Z. Phosphorus Fractionation and Removal in Wastewater Treatment--implications for Minimizing Effluent Phosphorus. IWA Publishing, 2014.
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