APA aipamena

Olappamanna. (1980). Dhukhamavuka Sukham. Sahitya Pravarthaka Co-operative Society Ltd.

Chicago Style aipamena

Olappamanna. Dhukhamavuka Sukham. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1980.

MLA aipamena

Olappamanna. Dhukhamavuka Sukham. Sahitya Pravarthaka Co-operative Society Ltd, 1980.