APA استشهاد

Gopalkrishnan. (2006). Thangavaunna vidyabhyasam (3rd ed.). D.C.Books.

استشهاد بنمط شيكاغو

Gopalkrishnan. Thangavaunna Vidyabhyasam. 3rd ed. Kottayam: D.C.Books, 2006.

MLA استشهاد

Gopalkrishnan. Thangavaunna Vidyabhyasam. 3rd ed. D.C.Books, 2006.