FREEMAN R E. (1992). MANAGEMENT (5.). PRENTICE -HALL INTERNATIONAL, INC.
Chicago Style aipamenaFREEMAN R E. MANAGEMENT. 5. NEW JERSEY,USA: PRENTICE -HALL INTERNATIONAL, INC, 1992.
MLA aipamenaFREEMAN R E. MANAGEMENT. 5. PRENTICE -HALL INTERNATIONAL, INC, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.