Yarbrough, B. (2007). The world economy: Trade and finance (7th.). Thomson South- Western Publ.
Chicago-referens (17:e uppl.)Yarbrough, Beth. The World Economy: Trade and Finance. 7th. Delhi: Thomson South- Western Publ, 2007.
MLA-referens (9:e uppl.)Yarbrough, Beth. The World Economy: Trade and Finance. 7th. Thomson South- Western Publ, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.