Chattampi Swamikal & Maheswaran Nair K. (1998). Aadi bhasha. Swantham.
Čikaški stil citiranjaChattampi Swamikal i Maheswaran Nair K. Aadi Bhasha. Thiruvananthapuram: Swantham, 1998.
MLA način citiranjaChattampi Swamikal i Maheswaran Nair K. Aadi Bhasha. Swantham, 1998.
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