Παραπομπή APA

Gopalakrishnan; Author & Vijayalakshmi; Author. (2002). Thaangaavunna vidyaabhyaasam.

Παραπομπή Chicago Style

Gopalakrishnan; Author και Vijayalakshmi; Author. Thaangaavunna Vidyaabhyaasam. Kottayam, D C Books, 2002.

Παραπομπή MLA

Gopalakrishnan; Author και Vijayalakshmi; Author. Thaangaavunna Vidyaabhyaasam. 2002.