Dunn, J. D., Kelley, J. R., & Stephens, E. C. (1973). Management essentials. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Dunn, J. D., J. Roland Kelley, agus Elvis C. Stephens. Management Essentials. New York: McGraw-Hill, 1973.
Lua MLA (9ú heag.)Dunn, J. D., et al. Management Essentials. McGraw-Hill, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.