(2005). Financing and charges for wastewater systems: WEF manual of practice No. 27. McGraw-Hill.
Chicago Stili AlıntıFinancing and Charges for Wastewater Systems: WEF Manual of Practice No. 27. McGraw-Hill, 2005.
MLA AlıntıFinancing and Charges for Wastewater Systems: WEF Manual of Practice No. 27. McGraw-Hill, 2005.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..