BAER EARL E. (1981). MARKETING SYSTEM PROCESS CASES AND PROBLEMS. GOODYEAR.
Chicago-čujuhus (17. p.)BAER EARL E. MARKETING SYSTEM PROCESS CASES AND PROBLEMS. CALIFORNIA: GOODYEAR, 1981.
MLA-čujuhus (9. p.)BAER EARL E. MARKETING SYSTEM PROCESS CASES AND PROBLEMS. GOODYEAR, 1981.
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