BARRIE PEARSON. (1987). COMMON SENSE BUSIENSS STRATEGY: HOW TO IMPROVE YOUR PROFITS AND CASH FLOW DRAMATICALLY. MERCURY BOOKS.
Lua i Stíl Chicago (17ú heag.)BARRIE PEARSON. COMMON SENSE BUSIENSS STRATEGY: HOW TO IMPROVE YOUR PROFITS AND CASH FLOW DRAMATICALLY. LONDON: MERCURY BOOKS, 1987.
Lua MLA (9ú heag.)BARRIE PEARSON. COMMON SENSE BUSIENSS STRATEGY: HOW TO IMPROVE YOUR PROFITS AND CASH FLOW DRAMATICALLY. MERCURY BOOKS, 1987.
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