BARWISE PATRICK. (2004). SIMPLY BETTER: WINNING AND KEEPING CUSTOMERS ? MATTERS MOST. HARPER COLLINS PUBLISHERS.
Chicago-čujuhus (17. p.)BARWISE PATRICK. SIMPLY BETTER: WINNING AND KEEPING CUSTOMERS ? MATTERS MOST. BOSTON: HARPER COLLINS PUBLISHERS, 2004.
MLA-čujuhus (9. p.)BARWISE PATRICK. SIMPLY BETTER: WINNING AND KEEPING CUSTOMERS ? MATTERS MOST. HARPER COLLINS PUBLISHERS, 2004.
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