PORTER MICHAEL E. (2004). GLOBAL COMPETITIVENESS REPORT-2003-2004. OXFORD UNIVERSITY PRESS.
Chicago-čujuhus (17. p.)PORTER MICHAEL E. GLOBAL COMPETITIVENESS REPORT-2003-2004. DELTON: OXFORD UNIVERSITY PRESS, 2004.
MLA-čujuhus (9. p.)PORTER MICHAEL E. GLOBAL COMPETITIVENESS REPORT-2003-2004. OXFORD UNIVERSITY PRESS, 2004.
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