Παραπομπή APA

Clark, J. W., & Viessman, W. H. (1977). Water supply and Pollution control (3rd.). Harper & Row.

Παραπομπή Chicago Style

Clark, John. W., και Warren Hammer Viessman. Water Supply and Pollution Control. 3rd. New York: Harper & Row, 1977.

Παραπομπή MLA

Clark, John. W., και Warren Hammer Viessman. Water Supply and Pollution Control. 3rd. Harper & Row, 1977.