APA-ийн эшлэл(7 дахь хэвлэлт)

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.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Tamil Nadu. Forest Department. Tirupathur Forest Division ба 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.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Tamil Nadu. Forest Department. Tirupathur Forest Division ба 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.