Cita APA (7th ed.)

Orhon, D., Babuna, F. G., & Karahan, O. (2009). Industrial Wastewater Treatment by Activated Sludge (1a. ed.). IWA.

Cita Chicago (17th ed.)

Orhon, Derin, Fatos Germirli Babuna, i Ozlem Karahan. Industrial Wastewater Treatment by Activated Sludge. 1a. ed. Londres: IWA, 2009.

Cita MLA (9th ed.)

Orhon, Derin, et al. Industrial Wastewater Treatment by Activated Sludge. 1a. ed. IWA, 2009.