Παραπομπή APA

Manivasakam , N. (1984). Physico - chemical examination of water , sewage and industrial effuents. Pragati prakashan.

Παραπομπή Chicago Style

Manivasakam , N. Physico - Chemical Examination of Water , Sewage and Industrial Effuents. Uttarpradhesh: Pragati prakashan, 1984.

Παραπομπή MLA

Manivasakam , N. Physico - Chemical Examination of Water , Sewage and Industrial Effuents. Pragati prakashan, 1984.