Kale, N. Marketing management (3.). Vipul Prakashan.
Cita Chicago (17th ed.)Kale, N.G. Marketing Management. 3. Mumbai: Vipul Prakashan.
Cita MLA (9th ed.)Kale, N.G. Marketing Management. 3. Vipul Prakashan.
Atenció: Aquestes cites poden no estar 100% correctes.