Grewal T.S. (2012). Double Entry Book Keeping. Sultan Chand.
Cita Chicago (17th ed.)Grewal T.S. Double Entry Book Keeping. New Delhi: Sultan Chand, 2012.
Cita MLA (9th ed.)Grewal T.S. Double Entry Book Keeping. Sultan Chand, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.