Broadwell, M. M. (1975). The supervisor and on-the-job training (2nd ed.). Addison-Wesley.
Lua i Stíl Chicago (17ú heag.)Broadwell, Martin M. The Supervisor and On-the-job Training. 2nd ed. Reading: Addison-Wesley, 1975.
Lua MLA (9ú heag.)Broadwell, Martin M. The Supervisor and On-the-job Training. 2nd ed. Addison-Wesley, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.