Lua APA (7ú heag.)

Bullough, R. V. (1974). Creating instructional materials. C. E. Merrill Pub. Co.

Lua i Stíl Chicago (17ú heag.)

Bullough, Robert V. Creating Instructional Materials. Columbus, Ohio: C. E. Merrill Pub. Co, 1974.

Lua MLA (8ú heag.)

Bullough, Robert V. Creating Instructional Materials. C. E. Merrill Pub. Co, 1974.

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