Nichols, P. (1991). Social survey methods: A fieldguide for development workers. Oxfam Publications.
Style de citation Chicago (17e éd.)Nichols, Paul. Social Survey Methods: A Fieldguide for Development Workers. Oxford: Oxfam Publications, 1991.
Style de citation MLA (8e éd.)Nichols, Paul. Social Survey Methods: A Fieldguide for Development Workers. Oxfam Publications, 1991.
Attention : ces citations peuvent ne pas être correctes à 100%.