Ferrel, O. (2014). Marketing Strategy Text and cases (6th edition). Cengage Lerning.
Chicago Style (17th ed.) CitationFerrel, O.C. Marketing Strategy Text and Cases (6th Edition). Cengage Lerning, 2014.
MLA (8th ed.) CitationFerrel, O.C. Marketing Strategy Text and Cases (6th Edition). Cengage Lerning, 2014.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.