APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (8:e uppl.)

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.