Terpstra, V. (2001). International marketing (8th.). Harcourt.
Chicago Style aipamenaTerpstra, Vern. International Marketing. 8th. Texas: Harcourt, 2001.
MLA aipamenaTerpstra, Vern. International Marketing. 8th. Harcourt, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.