ebrary, Inc, & Beasley, T. W. (2009). Poverty in Africa. Nova Science Publishers.
芝加哥风格引文ebrary, Inc, 与 Thomas W. Beasley. Poverty in Africa. New York: Nova Science Publishers, 2009.
MLA引文ebrary, Inc, 与 Thomas W. Beasley. Poverty in Africa. Nova Science Publishers, 2009.
警告：这些引文格式不一定是100％准确.