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.
Цитирование в стиле Чикаго (17-е изд.)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.
Цитирование MLA (9-е изд.)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.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.