Παραπομπή APA

Poonthala. (1990). Vichaaravisakalanam. S.P.C.S..

Παραπομπή Chicago Style

Poonthala. Vichaaravisakalanam. Kottayam: S.P.C.S., 1990.

Παραπομπή MLA

Poonthala. Vichaaravisakalanam. S.P.C.S., 1990.