Cita APA (7th ed.)

van Nostrand, J. (1983). The ventilated improved double-pit latrine: A construction manual for Botswana. IBRD/World Bank.

Cita Chicago (17th ed.)

van Nostrand, John. The Ventilated Improved Double-pit Latrine: A Construction Manual for Botswana. Washington, D.C: IBRD/World Bank, 1983.

Cita MLA (9th ed.)

van Nostrand, John. The Ventilated Improved Double-pit Latrine: A Construction Manual for Botswana. IBRD/World Bank, 1983.