Daniel John D. (2006). INTERNATIONAL BUSINESS: ENVIRONMENTS AND OPERATIONS (5TH.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Chicago Style aipamenaDaniel John D. INTERNATIONAL BUSINESS: ENVIRONMENTS AND OPERATIONS. 5TH. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2006.
MLA aipamenaDaniel John D. INTERNATIONAL BUSINESS: ENVIRONMENTS AND OPERATIONS. 5TH. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.