van Nostrand, J. (1983). Rural ventilated improved pit latrine: A field manual for Botswana. IBRD/World Bank.
Style de citation Chicago (17e éd.)van Nostrand, John. Rural Ventilated Improved Pit Latrine: A Field Manual for Botswana. Washington, D.C: IBRD/World Bank, 1983.
Style de citation MLA (9e éd.)van Nostrand, John. Rural Ventilated Improved Pit Latrine: A Field Manual for Botswana. IBRD/World Bank, 1983.
Attention : ces citations peuvent ne pas être correctes à 100%.