Gangawane ,L V et al. (2007). Sustainable environmental management. Daya publishing house.
Chicago Style aipamenaGangawane ,L V et al. Sustainable Environmental Management. Delhi: Daya publishing house, 2007.
MLA aipamenaGangawane ,L V et al. Sustainable Environmental Management. Daya publishing house, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.