Beach, D. S. (1980). The management of people at work (5ª ed.). Macmillan.
Lua i Stíl Chicago (17ú heag.)Beach, Dale S. The Management of People at Work. 5ª ed. Macmillan, 1980.
Lua MLA (9ú heag.)Beach, Dale S. The Management of People at Work. 5ª ed. Macmillan, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.