Gupta, P. L. (1969). Coins. National Book Trust.
Cita Chicago Style (17a ed.)Gupta, Parmeshwari Lal. Coins. New Delhi: National Book Trust, 1969.
Cita MLA (9a ed.)Gupta, Parmeshwari Lal. Coins. National Book Trust, 1969.
Precaución: Estas citas no son 100% exactas.