Gramaprakash, N. R. (1997). Prathyayasasthravum nadakavum: Nadakavimarshanam. Naveena Drisyakala.
Chicago Edition CitationGramaprakash, N. R. Prathyayasasthravum Nadakavum: Nadakavimarshanam. Thrissur: Naveena Drisyakala, 1997.
MLA Edition CitationGramaprakash, N. R. Prathyayasasthravum Nadakavum: Nadakavimarshanam. Naveena Drisyakala, 1997.
Warning: These citations may not always be 100% accurate.