Παραπομπή σε μορφή APA (7η εκδ.)

METCALF. (1991). Wastewater Engineering Treatment Disposal Reuse Metcalf And Eddy. McGraw-Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

METCALF. Wastewater Engineering Treatment Disposal Reuse Metcalf And Eddy. McGraw-Hill, 1991.

Παραπομπή σε μορφή MLA (8th εκδ.)

METCALF. Wastewater Engineering Treatment Disposal Reuse Metcalf And Eddy. McGraw-Hill, 1991.