APA (7th ed.) Citation

D Duncan, . M. (1984). The desing of ventilated improved pit latrines.

Chicago Style (17th ed.) Citation

D Duncan, Mara. The Desing of Ventilated Improved Pit Latrines. Washington, DC : Technology Advisory Group, World Bank, 1984.

MLA (9th ed.) Citation

D Duncan, Mara. The Desing of Ventilated Improved Pit Latrines. 1984.

Warning: These citations may not always be 100% accurate.