Tamil Nadu (India). Tamil Nadu services manual: Incorporates amendments issued upto 31st October 1975. Govt. of Tamil Nadu.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTamil Nadu (India). Tamil Nadu Services Manual: Incorporates Amendments Issued Upto 31st October 1975. [Madras]: Govt. of Tamil Nadu.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTamil Nadu (India). Tamil Nadu Services Manual: Incorporates Amendments Issued Upto 31st October 1975. Govt. of Tamil Nadu.
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