Aujla, G. S. (1995). Second to none: (a history of Punjab police) (1. ed.). Mohindra.
Cita Chicago Style (17a ed.)Aujla, Gurbirinder Singh. Second to None: (a History of Punjab Police). 1. ed. Ludhiana: Mohindra, 1995.
Cita MLA (8a ed.)Aujla, Gurbirinder Singh. Second to None: (a History of Punjab Police). 1. ed. Mohindra, 1995.
Precaución: Estas citas no son 100% exactas.