Gaya APA

Wastewater collection system modelling and design [sumber elektronik] / Bentley Systems, Thomas M. Walski.......[et al.]. (2007). : .

Gaya MLA

Wastewater collection system modelling and design [sumber elektronik] / Bentley Systems, Thomas M. Walski.......[et al.]. Ed. Ke -1. : , 2007. Text.