APA aipamena

Eckenfelder, W. W. (1989). Industrial water pollution control. Singapore.

Chicago Style aipamena

Eckenfelder, W. Wesley. Industrial Water Pollution Control. Singapore, 1989.

MLA aipamena

Eckenfelder, W. Wesley. Industrial Water Pollution Control. Singapore, 1989.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.