Yarbrough, B. (2007). The world economy: Trade and finance (7th.). Thomson South- Western Publ.
Lua i Stíl Chicago (17ú heag.)Yarbrough, Beth. The World Economy: Trade and Finance. 7th. Delhi: Thomson South- Western Publ, 2007.
Lua MLA (9ú heag.)Yarbrough, Beth. The World Economy: Trade and Finance. 7th. Thomson South- Western Publ, 2007.
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