Singleton, A. D. (2010). Educational opportunity: The geography of access to higher education. Ashgate Pub. Co..
芝加哥风格引文Singleton, Alexander D. Educational Opportunity: The Geography of Access to Higher Education. Burlington, VT: Ashgate Pub. Co., 2010.
MLA引文Singleton, Alexander D. Educational Opportunity: The Geography of Access to Higher Education. Ashgate Pub. Co., 2010.
警告：这些引文格式不一定是100％准确.