PARIKH,J A. (2010). ENVIRONMENTAL STUDIES. Ane Pub.
Chicago Style aipamenaPARIKH,J A. ENVIRONMENTAL STUDIES. NEW DELHI: Ane Pub, 2010.
MLA aipamenaPARIKH,J A. ENVIRONMENTAL STUDIES. Ane Pub, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.