APA引文

Ravindra Pandey. UGC NET/SLET Environmental science. Ramesh.

Chicago Edition Citation

Ravindra Pandey. UGC NET/SLET Environmental Science. New Delhi: Ramesh.

MLA引文

Ravindra Pandey. UGC NET/SLET Environmental Science. Ramesh.

警告：这些引文格式不一定是100％准确.