Παραπομπή APA

Ravisankar S Nair. (2007). Paddypadhathi siddantham. Kerala Bhasha Institute.

Παραπομπή Chicago Style

Ravisankar S Nair. Paddypadhathi Siddantham. Thiruvananthapuram: Kerala Bhasha Institute, 2007.

Παραπομπή MLA

Ravisankar S Nair. Paddypadhathi Siddantham. Kerala Bhasha Institute, 2007.