Paul, S. (1993). Practical accounts - Part I (5th.). New Central Book Agency.
Cita Chicago (17th ed.)Paul, S. Practical Accounts - Part I. 5th. Calcutta: New Central Book Agency, 1993.
Cita MLA (9th ed.)Paul, S. Practical Accounts - Part I. 5th. New Central Book Agency, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.