APA استشهاد

Witzel, M. (2010). TATA: The evolution of a corporate brand. Portfolio.

استشهاد بنمط شيكاغو

Witzel, Morgen. TATA: The Evolution of a Corporate Brand. New Delhi: Portfolio, 2010.

MLA استشهاد

Witzel, Morgen. TATA: The Evolution of a Corporate Brand. Portfolio, 2010.