Cita APA (7th ed.)

(1996). Water pollution control. Bureau of National Affairs.

Cita Chicago (17th ed.)

Water Pollution Control. Washington, D.C: Bureau of National Affairs, 1996.

Cita MLA (9th ed.)

Water Pollution Control. Bureau of National Affairs, 1996.

Atenció: Aquestes cites poden no estar 100% correctes.