Tohutoro APA (7th ed.)

(1976). Standard methods for the examination of water and: Wastewater (14th ed.). American Health Public Association.

Tohutoru Kātū Chicago (17th ed.)

Standard Methods for the Examination of Water and: Wastewater. 14th ed. Washington, DC: American Health Public Association, 1976.

Tohutoro MLA (9th ed.)

Standard Methods for the Examination of Water and: Wastewater. 14th ed. American Health Public Association, 1976.