Witzel Morgen. (2010). Tata: Evoluation of a Corporate Brand. Portfolio.
Cita Chicago (17th ed.)Witzel Morgen. Tata: Evoluation of a Corporate Brand. New Delhi: Portfolio, 2010.
Cita MLA (9th ed.)Witzel Morgen. Tata: Evoluation of a Corporate Brand. Portfolio, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.