APA (7th ed.) Zitazioa
Folsom, R. H. (2009). International business transactions: Trade & economic relations. Thomson/West.
Chicago Style (17th ed.) Zitazioa
Folsom, Ralph H. International Business Transactions: Trade & Economic Relations. St. Paul, MN: Thomson/West, 2009.
MLA (9th ed.) Zitazioa
Folsom, Ralph H. International Business Transactions: Trade & Economic Relations. Thomson/West, 2009.
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