APA aipamena

Hrdaya Kumari B. (2002). Vallathol Narayanamenon. Sahitya Akademi.

Chicago Style aipamena

Hrdaya Kumari B. Vallathol Narayanamenon. New Delhi: Sahitya Akademi, 2002.

MLA aipamena

Hrdaya Kumari B. Vallathol Narayanamenon. Sahitya Akademi, 2002.