Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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