Cita APA (7th ed.)

American Public Health Association, American Water Works Association, & Water Pollution Control Federation. (1985). Standard methods for the examination of water and wastewater (17a. ed.). A.P.H.A.

Cita Chicago (17th ed.)

American Public Health Association, American Water Works Association, i Water Pollution Control Federation. Standard Methods for the Examination of Water and Wastewater. 17a. ed. Washington, D.C: A.P.H.A, 1985.

Cita MLA (9th ed.)

American Public Health Association, et al. Standard Methods for the Examination of Water and Wastewater. 17a. ed. A.P.H.A, 1985.