Mann, H. T., & Williamson, D. (1976). Water treatment and sanitation: A handbook of simple methods for rural areas in developing countries (rev. ed.). Intermediate Technology Publ.
Chicago-Zitierstil (17. Ausg.)Mann, Henry T., und David Williamson. Water Treatment and Sanitation: A Handbook of Simple Methods for Rural Areas in Developing Countries. rev. ed. London: Intermediate Technology Publ, 1976.
MLA-Zitierstil (9. Ausg.)Mann, Henry T., und David Williamson. Water Treatment and Sanitation: A Handbook of Simple Methods for Rural Areas in Developing Countries. rev. ed. Intermediate Technology Publ, 1976.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.