Loomis, E. S. (1968). The pythagorean proposition: Its demonstration analyzed and classified and bibliography of sources of the four kinds of "Proofs". National Council of Teachers of Mathematics.
芝加哥风格引文Loomis, Elisha Scott. The Pythagorean Proposition: Its Demonstration Analyzed and Classified and Bibliography of Sources of the Four Kinds of "Proofs". Washington, D.C: National Council of Teachers of Mathematics, 1968.
MLA引文Loomis, Elisha Scott. The Pythagorean Proposition: Its Demonstration Analyzed and Classified and Bibliography of Sources of the Four Kinds of "Proofs". National Council of Teachers of Mathematics, 1968.
警告：这些引文格式不一定是100％准确.