AHmed Pervaiz K. & Rafiq Mohhammed. (2003). Internal Marketing: Tools and Concepts for Customer-focused management. Butterworth Heinemann & Gopsons Paper Ltd India.
Cita Chicago (17th ed.)AHmed Pervaiz K. i Rafiq Mohhammed. Internal Marketing: Tools and Concepts for Customer-focused Management. UK & India: Butterworth Heinemann & Gopsons Paper Ltd India, 2003.
Cita MLA (9th ed.)AHmed Pervaiz K. i Rafiq Mohhammed. Internal Marketing: Tools and Concepts for Customer-focused Management. Butterworth Heinemann & Gopsons Paper Ltd India, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.