Alexander, R. (2003). Geometry and discrete mathematics. Toronto : Addison Wesley.
芝加哥风格引文Alexander, Robert. Geometry and Discrete Mathematics. Toronto : Addison Wesley, 2003.
MLA引文Alexander, Robert. Geometry and Discrete Mathematics. Toronto : Addison Wesley, 2003.
警告：这些引文格式不一定是100％准确.