MacCracken, H. D. (1967). Science through discovery 2. L.W. Singer.
Chicagoスタイル(17版)引用形式MacCracken, Helen Dolman. Science Through Discovery 2. Syracuse: L.W. Singer, 1967.
MLA(9版)引用形式MacCracken, Helen Dolman. Science Through Discovery 2. L.W. Singer, 1967.
警告: この引用は必ずしも正確ではありません.