Cita APA (7th ed.)

Mara, D. Domestic wastewater treatment in developing countries.

Cita Chicago (17th ed.)

Mara, Duncan. Domestic Wastewater Treatment in Developing Countries.

Cita MLA (8th ed.)

Mara, Duncan. Domestic Wastewater Treatment in Developing Countries.

Atenció: Aquestes cites poden no estar 100% correctes.