APA aipamena

Parmaesvarnpilla, E. (1972). Pennu. Vidyarthi Mithram.

Chicago Style aipamena

Parmaesvarnpilla, Erumeli. Pennu. Kottayam: Vidyarthi Mithram, 1972.

MLA aipamena

Parmaesvarnpilla, Erumeli. Pennu. Vidyarthi Mithram, 1972.