Kunjurajan Ayyanavar, M. A. (2010). Aiyn to Ayyanavar and the origin of letters.
استشهاد بنمط شيكاغوKunjurajan Ayyanavar, M; Author. Aiyn to Ayyanavar and the Origin of Letters. Thiruvanthapuram, Association for Ayyanavar Studies, 2010.
MLA استشهادKunjurajan Ayyanavar, M; Author. Aiyn to Ayyanavar and the Origin of Letters. 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.