Cita APA

Whittington, D., & Whittington, D. (1992). Household demand for improved sanitation services: A case study of Kumasi, Ghana. Washington, D.C.: UNDP-World Bank Water and Sanitation Program the World Bank.

Citación estilo Chicago

Whittington, Dale, y Dale Whittington. Household Demand for Improved Sanitation Services: A Case Study of Kumasi, Ghana. Washington, D.C.: UNDP-World Bank Water and Sanitation Program the World Bank, 1992.

Cita MLA

Whittington, Dale, y Dale Whittington. Household Demand for Improved Sanitation Services: A Case Study of Kumasi, Ghana. Washington, D.C.: UNDP-World Bank Water and Sanitation Program the World Bank, 1992.