Hooley, G. J. (2009). Marketing strategy & competitive positioning 4ed (4.). Pearson Education.
Lua i Stíl Chicago (17ú heag.)Hooley, Graham J. Marketing Strategy & Competitive Positioning 4ed. 4. New Delhi: Pearson Education, 2009.
Lua MLA (9ú heag.)Hooley, Graham J. Marketing Strategy & Competitive Positioning 4ed. 4. Pearson Education, 2009.
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