AHmed Pervaiz K. & Rafiq Mohhammed. (2003). Internal Marketing: Tools and Concepts for Customer-focused management. Butterworth Heinemann & Gopsons Paper Ltd India.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAHmed Pervaiz K. और Rafiq Mohhammed. Internal Marketing: Tools and Concepts for Customer-focused Management. UK & India: Butterworth Heinemann & Gopsons Paper Ltd India, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAHmed Pervaiz K. और Rafiq Mohhammed. Internal Marketing: Tools and Concepts for Customer-focused Management. Butterworth Heinemann & Gopsons Paper Ltd India, 2003.
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