National Council of Allied Economic Research. (1966). Survey of hilly and backward areas of Punjab. s.n.
Chicago-referens (17:e uppl.)National Council of Allied Economic Research. Survey of Hilly and Backward Areas of Punjab. New Delhi: s.n, 1966.
MLA-referens (9:e uppl.)National Council of Allied Economic Research. Survey of Hilly and Backward Areas of Punjab. s.n, 1966.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.