Welch, P. J. (1998). Economics: Theory and practice. Orlando, Florida: Dryden Press.
Čikaški stil citiranjaWelch, Patrick J. Economics: Theory and Practice. Orlando, Florida: Dryden Press, 1998.
MLA način citiranjaWelch, Patrick J. Economics: Theory and Practice. Orlando, Florida: Dryden Press, 1998.
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