Krishnamoorthy, K. (2023). Working plan for the Punalur Forest Division 1957-58 to 1972-73. The Government Press, Kerala.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKrishnamoorthy, K. Working Plan for the Punalur Forest Division 1957-58 to 1972-73. The Government Press, Kerala, 2023.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKrishnamoorthy, K. Working Plan for the Punalur Forest Division 1957-58 to 1972-73. The Government Press, Kerala, 2023.
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