Citazione Stile APA (7a Edizione)

Pearson, N. P., & Butler, L. (1969). Instructional materials center: Selected readings. Burgess Publishing.

Citazione stile Chigago Style (17a edizione)

Pearson, Neville P., e L. Butler. Instructional Materials Center: Selected Readings. Minneapolis, MN: Burgess Publishing, 1969.

Citatione MLA (9a ed.)

Pearson, Neville P., e L. Butler. Instructional Materials Center: Selected Readings. Burgess Publishing, 1969.