Guell, R. C. (2003). Issues in economics today. Boston, Mass.: McGraw-Hill/Irwin.
Čikaški stil citiranjaGuell, Robert C. Issues in Economics Today. Boston, Mass.: McGraw-Hill/Irwin, 2003.
MLA način citiranjaGuell, Robert C. Issues in Economics Today. Boston, Mass.: McGraw-Hill/Irwin, 2003.
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