Halasi-Kun, G. J. (1981). Pollution and water resources. Pergamon Press.
Chicago Style aipamenaHalasi-Kun, George J. Pollution and Water Resources. New York: Pergamon Press, 1981.
MLA aipamenaHalasi-Kun, George J. Pollution and Water Resources. Pergamon Press, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.