Kesavannayar, R. (1971). Gramavikasanam. State Institute of Languages.
Chicago Edition CitationKesavannayar, R. Gramavikasanam. Trivandrum: State Institute of Languages, 1971.
MLA引文Kesavannayar, R. Gramavikasanam. State Institute of Languages, 1971.
警告:这些引文格式不一定是100%准确.