BARRIE PEARSON. (1987). COMMON SENSE BUSIENSS STRATEGY: HOW TO IMPROVE YOUR PROFITS AND CASH FLOW DRAMATICALLY. MERCURY BOOKS.
Čikaški stil citiranja (17. izdanje)BARRIE PEARSON. COMMON SENSE BUSIENSS STRATEGY: HOW TO IMPROVE YOUR PROFITS AND CASH FLOW DRAMATICALLY. LONDON: MERCURY BOOKS, 1987.
MLA način citiranja (9. izdanje)BARRIE PEARSON. COMMON SENSE BUSIENSS STRATEGY: HOW TO IMPROVE YOUR PROFITS AND CASH FLOW DRAMATICALLY. MERCURY BOOKS, 1987.
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