National Water Supply Improvement Association (U.S.). Conference, International Desalination Association, & National Water Supply Improvement Association (U.S.). (1990). Proceedings: 1990 biennial conference, Walt Disney World Village, Florida, August 19-23, 1990. National Water Supply Improvement Association.
Chicago Style (17th ed.) CitationNational Water Supply Improvement Association (U.S.). Conference, International Desalination Association, and National Water Supply Improvement Association (U.S.). Proceedings: 1990 Biennial Conference, Walt Disney World Village, Florida, August 19-23, 1990. [St. Leonard]: National Water Supply Improvement Association, 1990.
MLA (9th ed.) CitationNational Water Supply Improvement Association (U.S.). Conference, et al. Proceedings: 1990 Biennial Conference, Walt Disney World Village, Florida, August 19-23, 1990. National Water Supply Improvement Association, 1990.