Kuchhal, M. (1996). Secterial practice (14th rev.). Vikas.
Cita Chicago (17th ed.)Kuchhal, M. Secterial Practice. 14th rev. New Delhi: Vikas, 1996.
Cita MLA (9th ed.)Kuchhal, M. Secterial Practice. 14th rev. Vikas, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.