APA引文

Surendraprathap Singh & Nishant Singh. (2001). Paryavaran aur janjagarkta. Sadik.

Chicago Edition Citation

Surendraprathap Singh and Nishant Singh. Paryavaran Aur Janjagarkta. New Delhi: Sadik, 2001.

MLA引文

Surendraprathap Singh and Nishant Singh. Paryavaran Aur Janjagarkta. Sadik, 2001.

警告：這些引文格式不一定是100％准確.