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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPunjab (India). Economic and Statistical Organisation. Report on the Evaluation Study of Co-operative Marketing Societies in Punjab. Chandigarh: Economic Adviser to Govt., Punjab, 1981.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPunjab (India). Economic and Statistical Organisation. Report on the Evaluation Study of Co-operative Marketing Societies in Punjab. Economic Adviser to Govt., Punjab, 1981.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.