APA aipamena

Popham, W. J., & Baker, E. L. (1970). Systematic instruction. Prentice-Hall.

Chicago Style aipamena

Popham, W. James, and Eva L. Baker. Systematic Instruction. Englewood Cliffs, N.J.: Prentice-Hall, 1970.

MLA aipamena

Popham, W. James, and Eva L. Baker. Systematic Instruction. Prentice-Hall, 1970.