Chopra, G. L. (1928). The Panjab as a sovereign state, 1799-1839. Uttar Chand Kapur & Sons.
Cita Chicago Style (17a ed.)Chopra, Gulshan Lall. The Panjab as a Sovereign State, 1799-1839. Lahore: Uttar Chand Kapur & Sons, 1928.
Cita MLA (8a ed.)Chopra, Gulshan Lall. The Panjab as a Sovereign State, 1799-1839. Uttar Chand Kapur & Sons, 1928.
Precaución: Estas citas no son 100% exactas.