Ferrell, O. (2005). Marketing StrategyO.C. Ferrell and Michael D. Hartline. Thomson South-Western.
Chicago-viite (17. p.)Ferrell, O.C. Marketing StrategyO.C. Ferrell and Michael D. Hartline. Thomson South-Western, 2005.
MLA-viite (8. p.)Ferrell, O.C. Marketing StrategyO.C. Ferrell and Michael D. Hartline. Thomson South-Western, 2005.
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