All India Soil and Land Use Survey Organisation, Govinda Rajan, S. V., Murthy, R. S., & Anjaneya Reddy, P. S. (1969). Soil surveys take up the challenge for the benefit of mankind in Rayalaseema (Andhra Pradesh).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAll India Soil and Land Use Survey Organisation, Salem Venkatappa Govinda Rajan, R. S. Murthy, और P. S. Anjaneya Reddy. Soil Surveys Take Up the Challenge for the Benefit of Mankind in Rayalaseema (Andhra Pradesh). New Delhi, 1969.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAll India Soil and Land Use Survey Organisation, et al. Soil Surveys Take Up the Challenge for the Benefit of Mankind in Rayalaseema (Andhra Pradesh). 1969.
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