Earl, P., & Wakeley, T. (2005). Business economics: A contemporary approach. McGraw-Hill.
Čikaški stil citiranja (17. izdanje)Earl, Peter, i Tim Wakeley. Business Economics: A Contemporary Approach. London: McGraw-Hill, 2005.
MLA način citiranja (8. izdanje)Earl, Peter, i Tim Wakeley. Business Economics: A Contemporary Approach. McGraw-Hill, 2005.
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