Kimbrell, G. (1998). Succeeding in the world of work (6th ed.). Glencoe McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Kimbrell, Grady. Succeeding in the World of Work. 6th ed. New York: Glencoe McGraw-Hill, 1998.
Lua MLA (9ú heag.)Kimbrell, Grady. Succeeding in the World of Work. 6th ed. Glencoe McGraw-Hill, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.