APA استشهاد

Narayanakkuruppu, P. Astramalyam. The Author.

استشهاد بنمط شيكاغو

Narayanakkuruppu, P. Astramalyam. Kottayam: The Author.

MLA استشهاد

Narayanakkuruppu, P. Astramalyam. The Author.