(1976). Standard methods for the examination of water and: Wastewater (14th ed.). American Health Public Association.
Cita Chicago (17th ed.)Standard Methods for the Examination of Water and: Wastewater. 14th ed. Washington, DC: American Health Public Association, 1976.
Cita MLA (9th ed.)Standard Methods for the Examination of Water and: Wastewater. 14th ed. American Health Public Association, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.