Cita APA (7th ed.)

Gurcharan singh. (2007). Water supply and senitary Engineering. Nem Chand Jain.

Cita Chicago (17th ed.)

Gurcharan singh. Water Supply and Senitary Engineering. New Delhi: Nem Chand Jain, 2007.

Cita MLA (9th ed.)

Gurcharan singh. Water Supply and Senitary Engineering. Nem Chand Jain, 2007.