Kelly, J. (1980). How managers manage. Prentice-Hall, Inc..
Lua i Stíl Chicago (17ú heag.)Kelly, Joe. How Managers Manage. Englewood Cliffs: Prentice-Hall, Inc., 1980.
Lua MLA (9ú heag.)Kelly, Joe. How Managers Manage. Prentice-Hall, Inc., 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.