WEDC Conference (7th : (1981 : Loughborough), Ball, S., & Pickford, J. (1982). Water, people and waste in developing countries: 7th WEDC Conference, 23-25 September 1981 : proceedings. WEDC Group, Department of Civil Engineering, University of Technology Loughborough.
Chicago Style (17th ed.) CitationWEDC Conference (7th : (1981 : Loughborough), Susan Ball, and John Pickford. Water, People and Waste in Developing Countries: 7th WEDC Conference, 23-25 September 1981 : Proceedings. Loughborough: WEDC Group, Department of Civil Engineering, University of Technology Loughborough, 1982.
MLA (9th ed.) CitationWEDC Conference (7th : (1981 : Loughborough), et al. Water, People and Waste in Developing Countries: 7th WEDC Conference, 23-25 September 1981 : Proceedings. WEDC Group, Department of Civil Engineering, University of Technology Loughborough, 1982.