Grewal T.S. (2012). Double Entry Book Keeping. Sultan Chand.
Chicago Style aipamenaGrewal T.S. Double Entry Book Keeping. New Delhi: Sultan Chand, 2012.
MLA aipamenaGrewal T.S. Double Entry Book Keeping. Sultan Chand, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.