Παραπομπή APA

Kesavannayar, R. (1971). Gramavikasanam. State Institute of Languages.

Παραπομπή Chicago Style

Kesavannayar, R. Gramavikasanam. Trivandrum: State Institute of Languages, 1971.

Παραπομπή MLA

Kesavannayar, R. Gramavikasanam. State Institute of Languages, 1971.