APA aipamena

Agarwal,, S. (2008). Water pollution. APH.

Chicago Style aipamena

Agarwal,, S.K. Water Pollution. New Delhi: APH, 2008.

MLA aipamena

Agarwal,, S.K. Water Pollution. APH, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.