Bethel, L. L. (1971). Industrial organization and management (5th ed.). McGraw-Hill.
Chicago Style aipamenaBethel, Lawrence L. Industrial Organization and Management. 5th ed. McGraw-Hill, 1971.
MLA aipamenaBethel, Lawrence L. Industrial Organization and Management. 5th ed. McGraw-Hill, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.