Παραπομπή APA

Gopinathan R. (2013). Keralathanima. Kerala Bhasha Institute.

Παραπομπή Chicago Style

Gopinathan R. Keralathanima. Thiruvananthapuram: Kerala Bhasha Institute, 2013.

Παραπομπή MLA

Gopinathan R. Keralathanima. Kerala Bhasha Institute, 2013.