Certo, S. C. (1997). Modern management. Prentice-Hall of India.
Chicago Style aipamenaCerto, Samuel C. Modern Management. New Jersey: Prentice-Hall of India, 1997.
MLA aipamenaCerto, Samuel C. Modern Management. Prentice-Hall of India, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.