Gupta S.L. (2010). International relailing ;tex and Readings.
Cita Chicago (17th ed.)Gupta S.L. International Relailing ;tex and Readings. Delhi, 2010.
Cita MLA (9th ed.)Gupta S.L. International Relailing ;tex and Readings. 2010.
Atenció: Aquestes cites poden no estar 100% correctes.