APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.