NASH EDWARD L. (1988). DIRECT MARKETING: STRATEGY,PLANNING ,EXECUTION (2.). MCGRAW-HILL.
Chicago-čujuhus (17. p.)NASH EDWARD L. DIRECT MARKETING: STRATEGY,PLANNING ,EXECUTION. 2. NEW YORK: MCGRAW-HILL, 1988.
MLA-čujuhus (9. p.)NASH EDWARD L. DIRECT MARKETING: STRATEGY,PLANNING ,EXECUTION. 2. MCGRAW-HILL, 1988.
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