Raghunathan R. (1989). Malayala bhashotpathi: Vivaranatmaka suchika (origin of the Malayalam language : a descriptive bibliography ). Kerala Bhasha Institute.
Παραπομπή Chicago StyleRaghunathan R. Malayala Bhashotpathi: Vivaranatmaka Suchika (origin of the Malayalam Language : A Descriptive Bibliography ). Thiruvananthapuram: Kerala Bhasha Institute, 1989.
Παραπομπή MLARaghunathan R. Malayala Bhashotpathi: Vivaranatmaka Suchika (origin of the Malayalam Language : A Descriptive Bibliography ). Kerala Bhasha Institute, 1989.
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