Ferrel, O. (2014). Marketing Strategy Text and cases (6th edition). Cengage Lerning.
Chicago Style (17. basım) AtıfFerrel, O.C. Marketing Strategy Text and Cases (6th Edition). Cengage Lerning, 2014.
MLA (8th ed.) AtıfFerrel, O.C. Marketing Strategy Text and Cases (6th Edition). Cengage Lerning, 2014.
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