Cita APA

Morgan, P. R., & Mara, D. D. 1. (1982). Ventilated improved pit latrines: Recent developments in Zimbalwe (1. edition.). Washington, D.C.: World Bank.

Citación estilo Chicago

Morgan, Peter R., y David Duncan 1944- Mara. Ventilated Improved Pit Latrines: Recent Developments in Zimbalwe. 1. edition. Washington, D.C.: World Bank, 1982.

Cita MLA

Morgan, Peter R., y David Duncan 1944- Mara. Ventilated Improved Pit Latrines: Recent Developments in Zimbalwe. 1. edition. Washington, D.C.: World Bank, 1982.