MCDONALD MALCOLM. (2005). ESSENTIAL GUIDE TO MARKETING PLANNING. CREST PUBLISHING HOUSE.
Lua i Stíl Chicago (17ú heag.)MCDONALD MALCOLM. ESSENTIAL GUIDE TO MARKETING PLANNING. NEW DELHI: CREST PUBLISHING HOUSE, 2005.
Lua MLA (9ú heag.)MCDONALD MALCOLM. ESSENTIAL GUIDE TO MARKETING PLANNING. CREST PUBLISHING HOUSE, 2005.
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