Gaya APA

Shammas, N, K., Wang, L, K. (2011). Water Supply and Wastewater Removal : Fair, Geyer, and Okun's Water and Wastewater Engineering (3rd). USA: Jhon Wiley & Sons.

Gaya MLA

Shammas, Nazih, K.., Wang, Lawrence, K.. "Water Supply and Wastewater Removal : Fair, Geyer, and Okun's Water and Wastewater Engineering". 3rd USA: Jhon Wiley & Sons, 2011. Text.