Harris, S. E. (1957). International and interregional economics. McGraw Hill Book Co.
Chicago Style aipamenaHarris, Seymour E. International and Interregional Economics. New York: McGraw Hill Book Co, 1957.
MLA aipamenaHarris, Seymour E. International and Interregional Economics. McGraw Hill Book Co, 1957.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.