Nichols, P. (1991). Social survey methods: The fieldguide for development workers. Oxfam.
芝加哥风格引文Nichols, Paul. Social Survey Methods: The Fieldguide for Development Workers. Oxford: Oxfam, 1991.
MLA引文Nichols, Paul. Social Survey Methods: The Fieldguide for Development Workers. Oxfam, 1991.
警告：这些引文格式不一定是100％准确.