Ulich, R. (1950). History of educational thought. American Book Company.
Chicagoスタイル(17版)引用形式Ulich, Robert. History of Educational Thought. New York, Cincinnati: American Book Company, 1950.
MLA(9版)引用形式Ulich, Robert. History of Educational Thought. American Book Company, 1950.
警告: この引用は必ずしも正確ではありません.