DE ANIL KUMAR. (1994). ENVIRONMENTAL CHEMISTRY. WIELY-EASTERN.
Chicago Style aipamenaDE ANIL KUMAR. ENVIRONMENTAL CHEMISTRY. NEW DELHI: WIELY-EASTERN, 1994.
MLA aipamenaDE ANIL KUMAR. ENVIRONMENTAL CHEMISTRY. WIELY-EASTERN, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.