McCormick, E. (1987). Industrial Psychology (7th.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)McCormick, E. Industrial Psychology. 7th. New Delhi: Prentice Hall, 1987.
Lua MLA (9ú heag.)McCormick, E. Industrial Psychology. 7th. Prentice Hall, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.