Παραπομπή σε μορφή APA (7η εκδ.)

Hammer, D. A. (1989). Constructed wetlands for wastewater treatment: Municipial, industrial and agricultural. Lewis Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hammer, Donald A. Constructed Wetlands for Wastewater Treatment: Municipial, Industrial and Agricultural. Boca Raton [Florida]: Lewis Publishers, 1989.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hammer, Donald A. Constructed Wetlands for Wastewater Treatment: Municipial, Industrial and Agricultural. Lewis Publishers, 1989.