Hibbert, E. P. (1997). International Business: Strategy and Operations. Macmillan.
Chicago Style aipamenaHibbert, Edgar P. International Business: Strategy and Operations. London: Macmillan, 1997.
MLA aipamenaHibbert, Edgar P. International Business: Strategy and Operations. Macmillan, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.