Leaks in water distribution systems :
a technical/economic overview.
APA Citation
American Water Works Association. (1987). Leaks in water distribution systems: a technical/economic overview. Denver, CO: American Water Works Association.
MLA Citation
American Water Works Association. Leaks In Water Distribution Systems: a Technical/economic Overview. Denver, CO: American Water Works Association, 1987.
Warning: These citations may not always be complete (especially for serials).