FERELL O C. (1993). MARKETING CONCEPTS AND STRATERGIES (8TH.). HOUGHTON & MIFFLIN.
Chicago-čujuhus (17. p.)FERELL O C. MARKETING CONCEPTS AND STRATERGIES. 8TH. BOSTON: HOUGHTON & MIFFLIN, 1993.
MLA-čujuhus (9. p.)FERELL O C. MARKETING CONCEPTS AND STRATERGIES. 8TH. HOUGHTON & MIFFLIN, 1993.
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