Popham, W. J., & Baker, E. L. (1970). Systematic instruction. Prentice-Hall.
Chicagoスタイル(17版)引用形式Popham, W. James, , Eva L. Baker. Systematic Instruction. Englewood Cliffs, N.J.: Prentice-Hall, 1970.
MLA(8版)引用形式Popham, W. James, , Eva L. Baker. Systematic Instruction. Prentice-Hall, 1970.
警告: この引用は必ずしも正確ではありません.