IRWIN DAVID. (1998). MAKE YOUR BUSINESS GROW. INTERNATIONAL THOMSON BUSINESS PRESS.
Čikaški stil citiranja (17. izdanje)IRWIN DAVID. MAKE YOUR BUSINESS GROW. LONDON: INTERNATIONAL THOMSON BUSINESS PRESS, 1998.
MLA način citiranja (9. izdanje)IRWIN DAVID. MAKE YOUR BUSINESS GROW. INTERNATIONAL THOMSON BUSINESS PRESS, 1998.
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