انتشارات Liam Works
Enhanced Occupational Outlook Handbook
J. Michael Farr, 2005
Ez Occupational Outlook Handbook
Editors at JIST, 2011
Air-Release, Air/Vacuum & Combination Air Valves
American Water Works Association, 2001
Air-release, air/vacuum, and combination air valves
American Water Works Association, 2001
ANSIAWWA C200-12 Steel Water Pipe, 6 IN. (150 mm) and Larger
American Water Works Association, 2012
ANSIAWWA CB101-12 Precoat Filter Media
AWWA, 2013
AWWA B202-13 Quicklime and Hydrated Lime
awwa, 2013
AWWA standard for polyurethane coatings for the interior and exterior of steel water pipe and fittings
American Water Works Association., 1999
Water Co-Management
American Water Works Association, 2013
Concrete pressure pipe
American Water Works Association, 1995
PE pipe : design and installation
American Water Works Association, 2006
