MISRA, S. (2009). ESSENTIAL ENVIRONMENTAL STUDIES. ane books.
Chicago Style aipamenaMISRA, S.P. ESSENTIAL ENVIRONMENTAL STUDIES. NEW DELHI: ane books, 2009.
MLA aipamenaMISRA, S.P. ESSENTIAL ENVIRONMENTAL STUDIES. ane books, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.