Παραπομπή APA

Nilakanthappilla, P. (1968). Malayala Sahitya Sahayi.

Παραπομπή Chicago Style

Nilakanthappilla, P. Malayala Sahitya Sahayi. Ettumanoor, 1968.

Παραπομπή MLA

Nilakanthappilla, P. Malayala Sahitya Sahayi. 1968.