APA aipamena

Pitchaiah, P. S. (1991). Water ecology pollution and management. Chugh Publications.

Chicago Style aipamena

Pitchaiah, P. Sankara. Water Ecology Pollution and Management. Allahabad: Chugh Publications, 1991.

MLA aipamena

Pitchaiah, P. Sankara. Water Ecology Pollution and Management. Chugh Publications, 1991.