PANCERO JIM. (2006). YOU CAN ALWAYS SELL MORE: HOW TO IMPROVE ANY SALES. JOHN WILEY & SONS.
Chicago-čujuhus (17. p.)PANCERO JIM. YOU CAN ALWAYS SELL MORE: HOW TO IMPROVE ANY SALES. NEW JERSEY: JOHN WILEY & SONS, 2006.
MLA-čujuhus (9. p.)PANCERO JIM. YOU CAN ALWAYS SELL MORE: HOW TO IMPROVE ANY SALES. JOHN WILEY & SONS, 2006.
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