BRADLEY, F. (1991). International Marketing Strategy. Prentice - Hall.
Chicago Style aipamenaBRADLEY, Frank. International Marketing Strategy. Prentice - Hall, 1991.
MLA aipamenaBRADLEY, Frank. International Marketing Strategy. Prentice - Hall, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.