APA aipamena

AHLUWALIA, V. M. (2019). Environmental science. Ane Books.

Chicago Style aipamena

AHLUWALIA, V.K. Malhotra. Environmental Science. Ane Books, 2019.

MLA aipamena

AHLUWALIA, V.K. Malhotra. Environmental Science. Ane Books, 2019.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.