Dunn, J. D., Kelley, J. R., & Stephens, E. C. (1973). Management essentials. McGraw-Hill.
Chicago Style aipamenaDunn, J. D., J. Roland Kelley, and Elvis C. Stephens. Management Essentials. New York: McGraw-Hill, 1973.
MLA aipamenaDunn, J. D., et al. Management Essentials. McGraw-Hill, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.