Sund, R. B., Tillery, B. W., & Trowbridge, L. W. (1970). Elementary science discovery lessons. Allyn and Bacon.
Chicagoスタイル(17版)引用形式Sund, Robert B., Bill W. Tillery, , Leslie W. Trowbridge. Elementary Science Discovery Lessons. Boston: Allyn and Bacon, 1970.
MLA(8版)引用形式Sund, Robert B., et al. Elementary Science Discovery Lessons. Allyn and Bacon, 1970.
警告: この引用は必ずしも正確ではありません.