APA aipamena

American Water Works Association. Michigan Section & Michigan Water Pollution Control Association. (1981). Sludge and its ultimate disposal. Ann Arbor Science.

Chicago Style aipamena

American Water Works Association. Michigan Section and Michigan Water Pollution Control Association. Sludge and Its Ultimate Disposal. Ann Arbor, Mich: Ann Arbor Science, 1981.

MLA aipamena

American Water Works Association. Michigan Section and Michigan Water Pollution Control Association. Sludge and Its Ultimate Disposal. Ann Arbor Science, 1981.