APA aipamena

Rao, D. P. L. (1990). Pollution control handbook. Utility.

Chicago Style aipamena

Rao, Diwakar P L. Pollution Control Handbook. Seconderabad: Utility, 1990.

MLA aipamena

Rao, Diwakar P L. Pollution Control Handbook. Utility, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.