National Council of Allied Economic Research. (1966). Survey of hilly and backward areas of Punjab. s.n.
Cita Chicago (17th ed.)National Council of Allied Economic Research. Survey of Hilly and Backward Areas of Punjab. New Delhi: s.n, 1966.
Cita MLA (9th ed.)National Council of Allied Economic Research. Survey of Hilly and Backward Areas of Punjab. s.n, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.