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Lua i Stíl Chicago (17ú heag.)Folsom, Ralph Haughwout, Michael W. Gordon, agus John A. Spanogle. International Business Transactions in a Nutshell. 8th ed. St. Paul, MN: West, 2009.
Lua MLA (9ú heag.)Folsom, Ralph Haughwout, et al. International Business Transactions in a Nutshell. 8th ed. West, 2009.
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