Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.