Παραπομπή σε μορφή APA (7η εκδ.)

Al Baz, I., Otterpohl, R., & Wendland, C. (2008). Efficient management of wastewater: Its treatment and reuse in water-scarce countries. Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Al Baz, Ismail, Ralf Otterpohl, και Claudia Wendland. Efficient Management of Wastewater: Its Treatment and Reuse in Water-scarce Countries. Berlin: Springer, 2008.

Παραπομπή σε μορφή MLA (9th εκδ.)

Al Baz, Ismail, et al. Efficient Management of Wastewater: Its Treatment and Reuse in Water-scarce Countries. Springer, 2008.