Walker, O. C. (2016). Marketing Strategy: A Decision-Focused Approach (7th.). McGraw -Hill.
Čikaški stil citiranja (17. izdanje)Walker, Orville C. Marketing Strategy: A Decision-Focused Approach. 7th. New Delhi: McGraw -Hill, 2016.
MLA način citiranja (9. izdanje)Walker, Orville C. Marketing Strategy: A Decision-Focused Approach. 7th. McGraw -Hill, 2016.
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