Gaya APA

Reynolds, J. (1992). Handpumps : Toward a Sustainable Technology : Research and Development During the Water Supply and Sanitation Decade . Washington DC: UNDP-World Bank Water and Sanitation Program.

Gaya MLA

Reynolds, John. "Handpumps : Toward a Sustainable Technology : Research and Development During the Water Supply and Sanitation Decade". Washington DC: UNDP-World Bank Water and Sanitation Program, 1992. print.