Cita APA

United States. Environmental Protection Agency. (2002). Onsite wastewater treatment and disposal systems and onsite wastewater treatment systems manual. U.S. Environmental Protection Agency.

Citación estilo Chicago

United States. Environmental Protection Agency. Onsite Wastewater Treatment and Disposal Systems and Onsite Wastewater Treatment Systems Manual. Cincinnati: U.S. Environmental Protection Agency, 2002.

Cita MLA

United States. Environmental Protection Agency. Onsite Wastewater Treatment and Disposal Systems and Onsite Wastewater Treatment Systems Manual. U.S. Environmental Protection Agency, 2002.