Cita APA (7a ed.)
Das Gupta, V. (1998). Marketing mantra: The real story of direct marketing in India. Prentice-Hall of India.
Cita Chicago Style (17a ed.)
Das Gupta, Vaswar. Marketing Mantra: The Real Story of Direct Marketing in India. New Delhi: Prentice-Hall of India, 1998.
Cita MLA (9a ed.)
Das Gupta, Vaswar. Marketing Mantra: The Real Story of Direct Marketing in India. Prentice-Hall of India, 1998.
Precaución: Estas citas no son 100% exactas.