Punjab (India). Economic and Statistical Organisation. (1973). Report on the evaluation survey of soil conservation and water management programme in Punjab.
Lua i Stíl Chicago (17ú heag.)Punjab (India). Economic and Statistical Organisation. Report on the Evaluation Survey of Soil Conservation and Water Management Programme in Punjab. Chandigarh, 1973.
Lua MLA (8ú heag.)Punjab (India). Economic and Statistical Organisation. Report on the Evaluation Survey of Soil Conservation and Water Management Programme in Punjab. 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.