Cita APA (7th ed.)

American Public Health Association. (1995). Standard methods for the examination of water and wastewater (19a. ed.). American Public Health Association.

Cita Chicago (17th ed.)

American Public Health Association. Standard Methods for the Examination of Water and Wastewater. 19a. ed. Washington, D.C: American Public Health Association, 1995.

Cita MLA (9th ed.)

American Public Health Association. Standard Methods for the Examination of Water and Wastewater. 19a. ed. American Public Health Association, 1995.

Atenció: Aquestes cites poden no estar 100% correctes.