Delhi, F. A. N. (1972). Recent advances in fertiliser technology: Proceedings of the seminar held in Jan.27-28, 1972. F.A.I.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDelhi, Fertiliser Association. New. Recent Advances in Fertiliser Technology: Proceedings of the Seminar Held in Jan.27-28, 1972. F.A.I, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDelhi, Fertiliser Association. New. Recent Advances in Fertiliser Technology: Proceedings of the Seminar Held in Jan.27-28, 1972. F.A.I, 1972.
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