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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)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.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)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.