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