APA aipamena

Gopalakrishnan Naduvattam. (1989). Kerala charitradharakal. National.

Chicago Style aipamena

Gopalakrishnan Naduvattam. Kerala Charitradharakal. Kottayam: National, 1989.

MLA aipamena

Gopalakrishnan Naduvattam. Kerala Charitradharakal. National, 1989.