WALKER ORVILLE C. (1999). MARKETING STRATEGY: PLANNING AND IMPLEMENTATION (3RD.). TATA MCGRAW-HILL PUBLISHING COMPANY.
Chicago-čujuhus (17. p.)WALKER ORVILLE C. MARKETING STRATEGY: PLANNING AND IMPLEMENTATION. 3RD. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY, 1999.
MLA-čujuhus (9. p.)WALKER ORVILLE C. MARKETING STRATEGY: PLANNING AND IMPLEMENTATION. 3RD. TATA MCGRAW-HILL PUBLISHING COMPANY, 1999.
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