Citazione Stile APA (7a Edizione)

Popham, W. J., & Baker, E. L. (1970). Planning an instructional sequence. Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Popham, W. James, e Eva L. Baker. Planning an Instructional Sequence. Englewood Cliffs, N.J.: Prentice-Hall, 1970.

Citatione MLA (8a ed.)

Popham, W. James, e Eva L. Baker. Planning an Instructional Sequence. Prentice-Hall, 1970.