Blough, G. O., & Schwartz, J. (1990). Elementary school science and how to teach it (8th ed.). Fort Worth: Holt.
シカゴスタイル引用形Blough, Glenn Orlando., , Julius Schwartz. Elementary School Science and How to Teach It. 8th ed. Fort Worth: Holt, 1990.
MLA引用形式Blough, Glenn Orlando., , Julius Schwartz. Elementary School Science and How to Teach It. 8th ed. Fort Worth: Holt, 1990.
警告: この引用は必ずしも正確ではありません.