APA aipamena

Govindankuttinnayar, U. (1956). Ruparekha. PKB.

Chicago Style aipamena

Govindankuttinnayar, Ullattil. Ruparekha. Calicut: PKB, 1956.

MLA aipamena

Govindankuttinnayar, Ullattil. Ruparekha. PKB, 1956.