Swiss Centre for Appropriate Technology, Study and Documentation Centre on Appropriate' Technology in Developing Countries, & Helvetas, Schweizer Aufbauwerk f�ur Entwicklungsl�ander. (1985). Manual for rural water supply: With many detailed constructional scale-drawings (5th ed.). SKAT, Swiss Centre for Appropriate Technology ; ATOL, Aangepaste Technologie.
Chicago-Zitierstil (17. Ausg.)Swiss Centre for Appropriate Technology, Study and Documentation Centre on Appropriate' Technology in Developing Countries, und Schweizer Aufbauwerk f�ur Entwicklungsl�ander Helvetas. Manual for Rural Water Supply: With Many Detailed Constructional Scale-drawings. 5th ed. St. Gallen, Switzerland : Belgium: SKAT, Swiss Centre for Appropriate Technology ; ATOL, Aangepaste Technologie, 1985.
MLA-Zitierstil (9. Ausg.)Swiss Centre for Appropriate Technology, et al. Manual for Rural Water Supply: With Many Detailed Constructional Scale-drawings. 5th ed. SKAT, Swiss Centre for Appropriate Technology ; ATOL, Aangepaste Technologie, 1985.