Nichols, P. (1991). Social survey methods: The fieldguide for development workers. Oxfam.
Chicagoスタイル(17版)引用形式Nichols, Paul. Social Survey Methods: The Fieldguide for Development Workers. Oxford: Oxfam, 1991.
MLA(9版)引用形式Nichols, Paul. Social Survey Methods: The Fieldguide for Development Workers. Oxfam, 1991.
警告: この引用は必ずしも正確ではありません.