Gray, N. F. (1999). Water technology: An introduction for scientists and engineers. Arnold Wiley.
Čikaški stil citiranja (17. izdanje)Gray, N. F. Water Technology: An Introduction for Scientists and Engineers. London, New York: Arnold Wiley, 1999.
MLA način citiranja (9. izdanje)Gray, N. F. Water Technology: An Introduction for Scientists and Engineers. Arnold Wiley, 1999.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.