AHmed Pervaiz K. & Rafiq Mohhammed. (2003). Internal Marketing: Tools and Concepts for Customer-focused management. Butterworth Heinemann & Gopsons Paper Ltd India.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)AHmed Pervaiz K. ба Rafiq Mohhammed. Internal Marketing: Tools and Concepts for Customer-focused Management. UK & India: Butterworth Heinemann & Gopsons Paper Ltd India, 2003.
MLA -ийн эшлэл (9 дэх хэвлэлт)AHmed Pervaiz K. ба Rafiq Mohhammed. Internal Marketing: Tools and Concepts for Customer-focused Management. Butterworth Heinemann & Gopsons Paper Ltd India, 2003.
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