APA aipamena

Purushothaman Cherukunnam. (1992). Poonthanavum bhakthi prasthanavum. Kerala Bhasha Institute.

Chicago Style aipamena

Purushothaman Cherukunnam. Poonthanavum Bhakthi Prasthanavum. Thiruvananthapuram: Kerala Bhasha Institute, 1992.

MLA aipamena

Purushothaman Cherukunnam. Poonthanavum Bhakthi Prasthanavum. Kerala Bhasha Institute, 1992.