Ferrel, O. (2014). Marketing Strategy Text and cases (6th edition). Cengage Lerning.
Chicago Style aipamenaFerrel, O.C. Marketing Strategy Text and Cases (6th Edition). Cengage Lerning, 2014.
MLA aipamenaFerrel, O.C. Marketing Strategy Text and Cases (6th Edition). Cengage Lerning, 2014.
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