Punjab (India). Economic and Statistical Organisation. (1978). Report on the evaluation of agro-service centres in Punjab. Economic Adviser to Govt., Punjab.
Παραπομπή σε μορφή Chicago (17η εκδ.)Punjab (India). Economic and Statistical Organisation. Report on the Evaluation of Agro-service Centres in Punjab. Chandigarh: Economic Adviser to Govt., Punjab, 1978.
Παραπομπή σε μορφή MLA (8th εκδ.)Punjab (India). Economic and Statistical Organisation. Report on the Evaluation of Agro-service Centres in Punjab. Economic Adviser to Govt., Punjab, 1978.
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