APA aipamena

Anil Tyagi. (2009). Trueman's UGC NET/SLET Environmental Science. Danika publishing house.

Chicago Style aipamena

Anil Tyagi. Trueman's UGC NET/SLET Environmental Science. New Delhi: Danika publishing house, 2009.

MLA aipamena

Anil Tyagi. Trueman's UGC NET/SLET Environmental Science. Danika publishing house, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.