(2006). കേരളത്തിലെ ഭാഷകൾ. Department of Publications,University of Kerala.
Trích dẫn kiểu Chicagoകേരളത്തിലെ ഭാഷകൾ. Thiruvananthapuram: Department of Publications,University of Kerala, 2006.
Trích dẫn MLAകേരളത്തിലെ ഭാഷകൾ. Department of Publications,University of Kerala, 2006.
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