Tamil Nadu. Forest Department. Tirupathur Forest Division & Rajagopalan , T. (1970). Proposed working plan for the Tirupathur Forest Division 1st April 1978 to 31st March 1988. Office of the Forest Working Plan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTamil Nadu. Forest Department. Tirupathur Forest Division और T.K Rajagopalan. Proposed Working Plan for the Tirupathur Forest Division 1st April 1978 to 31st March 1988. Madras: Office of the Forest Working Plan, 1970.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTamil Nadu. Forest Department. Tirupathur Forest Division और T.K Rajagopalan. Proposed Working Plan for the Tirupathur Forest Division 1st April 1978 to 31st March 1988. Office of the Forest Working Plan, 1970.
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