India. Dept. of Fertilizers. (1987). Annual report. Department of Fertilizers, Ministry of Agriculture.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia. Dept. of Fertilizers. Annual Report. [New Delhi?]: Department of Fertilizers, Ministry of Agriculture, 1987.
एमएलए (8वां संस्करण) प्रशस्ति पत्रIndia. Dept. of Fertilizers. Annual Report. Department of Fertilizers, Ministry of Agriculture, 1987.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.