University of Engineering and Technology. Institute of Public Health Engineering and Research. (1982). Survey of handpumps in the Punjab Province. Institute of Public Health Engineering and Research, University of Engineering and Technology.
Chicago-referens (17:e uppl.)University of Engineering and Technology. Institute of Public Health Engineering and Research. Survey of Handpumps in the Punjab Province. Lahore: Institute of Public Health Engineering and Research, University of Engineering and Technology, 1982.
MLA-referens (8:e uppl.)University of Engineering and Technology. Institute of Public Health Engineering and Research. Survey of Handpumps in the Punjab Province. Institute of Public Health Engineering and Research, University of Engineering and Technology, 1982.