Donnelly. (1987). International economics.
Chicago Style aipamenaDonnelly. International Economics. London, Longman, 1987.
MLA aipamenaDonnelly. International Economics. 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Donnelly. (1987). International economics.
Chicago Style aipamenaDonnelly. International Economics. London, Longman, 1987.
MLA aipamenaDonnelly. International Economics. 1987.