APA način citiranja (7. izdanje)

Metcalf. (2012). WASTEWATER ENGINEERING: TREATMENT AND REUSE (4 TH.). TMH.

Čikaški stil citiranja (17. izdanje)

Metcalf. WASTEWATER ENGINEERING: TREATMENT AND REUSE. 4 TH. NEW DELHI: TMH, 2012.

MLA način citiranja (9. izdanje)

Metcalf. WASTEWATER ENGINEERING: TREATMENT AND REUSE. 4 TH. TMH, 2012.