RATAN, L. (1990). SOIL EROSION IN THE TROPICS: PRINCIPLES AND MANAGEMENT. MCGRAW HILL BOOK CO.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRATAN, LAL. SOIL EROSION IN THE TROPICS: PRINCIPLES AND MANAGEMENT. NEW-YORK: MCGRAW HILL BOOK CO, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRATAN, LAL. SOIL EROSION IN THE TROPICS: PRINCIPLES AND MANAGEMENT. MCGRAW HILL BOOK CO, 1990.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.