Langenegger, O. (1994). Groundwater quality and handpump corrosion in Africa. UNDP-World Bank Water and Sanitation Program.
Chicago Style (17th ed.) CitationLangenegger, Otto. Groundwater Quality and Handpump Corrosion in Africa. Wash., D. C: UNDP-World Bank Water and Sanitation Program, 1994.
MLA (9th ed.) CitationLangenegger, Otto. Groundwater Quality and Handpump Corrosion in Africa. UNDP-World Bank Water and Sanitation Program, 1994.
Warning: These citations may not always be 100% accurate.