APA استشهاد

Khanna,D.R, & Chugh,Tarun. Microbial ecology: A study of river ganga. Discovery.

استشهاد بنمط شيكاغو

Khanna,D.R, و Chugh,Tarun. Microbial Ecology: A Study of River Ganga. New Delhi: Discovery.

MLA استشهاد

Khanna,D.R, و Chugh,Tarun. Microbial Ecology: A Study of River Ganga. Discovery.