Alsina, C., & Nelsen, R. B. (2009). When less is more: Visualizing basic inequalities. Mathematical Association of America.
芝加哥风格引文Alsina, Claudi, 与 Roger B. Nelsen. When Less Is More: Visualizing Basic Inequalities. [Washington, D.C.]: Mathematical Association of America, 2009.
MLA引文Alsina, Claudi, 与 Roger B. Nelsen. When Less Is More: Visualizing Basic Inequalities. Mathematical Association of America, 2009.
警告：这些引文格式不一定是100％准确.