lavson, S. R. 1. (1937). Creative group education. Association press.
Chicagoスタイル(17版)引用形式lavson, Samuel Richard 1891. Creative Group Education. New York: Association press, 1937.
MLA(9版)引用形式lavson, Samuel Richard 1891. Creative Group Education. Association press, 1937.
警告: この引用は必ずしも正確ではありません.