(1980). The Economics, Statistics, and Cooperatives Service.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThe Economics, Statistics, and Cooperatives Service. 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रThe Economics, Statistics, and Cooperatives Service. 1980.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.