APA
"Punjab E. A., "Punjab E. A., . (1979). District statistical abstract of Ludhiana. Chandigarh: Govt. Press India.
Chicago
"Punjab Economic Advisor", "Punjab Economic Advisor", . 1979. District statistical abstract of Ludhiana. Chandigarh: Govt. Press India.
Harvard
"Punjab E. A., "Punjab E. A., . (1979). District statistical abstract of Ludhiana. Chandigarh: Govt. Press India.
MLA
"Punjab Economic Advisor", "Punjab Economic Advisor", . District statistical abstract of Ludhiana. Chandigarh: Govt. Press India. 1979.