Sadashivam, S. (1988). Patra Vyavahar tatha Anuvad. Naya sahitya.
Cita Chicago (17th ed.)Sadashivam, S. Patra Vyavahar Tatha Anuvad. New delhi: Naya sahitya, 1988.
Cita MLA (9th ed.)Sadashivam, S. Patra Vyavahar Tatha Anuvad. Naya sahitya, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.