Broadwell, M. M. (1990). The new supervisor (Fourth edition.). Addison-Wesley Publishing Company, Inc.
Lua i Stíl Chicago (17ú heag.)Broadwell, Martin M. The New Supervisor. Fourth edition. Reading, Massachussetts: Addison-Wesley Publishing Company, Inc, 1990.
Lua MLA (9ú heag.)Broadwell, Martin M. The New Supervisor. Fourth edition. Addison-Wesley Publishing Company, Inc, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.