Nelson, A., & Nelson, K. (1973). Dictionary of water and water engineering. Butterworths.
Chicago Style aipamenaNelson, A., and K.D Nelson. Dictionary of Water and Water Engineering. London: Butterworths, 1973.
MLA aipamenaNelson, A., and K.D Nelson. Dictionary of Water and Water Engineering. Butterworths, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.