Cita APA (7th ed.)

Singh, G., & Singh, J. (2007). Water supply and sanitary engineering: (environmental engineering) (6th ed.). Standard Publishers Distributors.

Cita Chicago (17th ed.)

Singh, Gurcharan, i Jagdish Singh. Water Supply and Sanitary Engineering: (environmental Engineering). 6th ed. Delhi: Standard Publishers Distributors, 2007.

Cita MLA (9th ed.)

Singh, Gurcharan, i Jagdish Singh. Water Supply and Sanitary Engineering: (environmental Engineering). 6th ed. Standard Publishers Distributors, 2007.