DuBrin, A. J. (1992). Human relations for career and personal success (3rd ed.). Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)DuBrin, Andrew J. Human Relations for Career and Personal Success. 3rd ed. Englewood, Cliffs, N.J: Prentice-Hall, 1992.
Lua MLA (9ú heag.)DuBrin, Andrew J. Human Relations for Career and Personal Success. 3rd ed. Prentice-Hall, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.