Yeshurun, S. (1979). The cognitive method: A strategy for teaching word problems. National Council of Teachers of Mathematics.
Цитирование в стиле Чикаго (17-е изд.)Yeshurun, Sheraga. The Cognitive Method: A Strategy for Teaching Word Problems. Reston, Va.: National Council of Teachers of Mathematics, 1979.
Цитирование MLA (8-е изд.)Yeshurun, Sheraga. The Cognitive Method: A Strategy for Teaching Word Problems. National Council of Teachers of Mathematics, 1979.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.