APA aipamena

Birdie, G. S., & Birdie , J. S. (2003). Water supply and sanitary engineering. Dhanpat Rai Publishing Co..

Chicago Style aipamena

Birdie, G. S., and J. S. Birdie. Water Supply and Sanitary Engineering. New Delhi: Dhanpat Rai Publishing Co., 2003.

MLA aipamena

Birdie, G. S., and J. S. Birdie. Water Supply and Sanitary Engineering. Dhanpat Rai Publishing Co., 2003.