APA aipamena

Nilapatmanabhan. (1987). Erumpukal. Sahitya Pravarthaka Co-operative Society Ltd.

Chicago Style aipamena

Nilapatmanabhan. Erumpukal. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1987.

MLA aipamena

Nilapatmanabhan. Erumpukal. Sahitya Pravarthaka Co-operative Society Ltd, 1987.