S. J. Mangalam. (1997). Prachina bharathiya lipishasthravum malayala lipiyude vikasavum: (Ancient Indian palaeography and development of Malayalam scripts). State institute of languages.
استشهاد بنمط شيكاغوS. J. Mangalam. Prachina Bharathiya Lipishasthravum Malayala Lipiyude Vikasavum: (Ancient Indian Palaeography and Development of Malayalam Scripts). TVM: State institute of languages, 1997.
MLA استشهادS. J. Mangalam. Prachina Bharathiya Lipishasthravum Malayala Lipiyude Vikasavum: (Ancient Indian Palaeography and Development of Malayalam Scripts). State institute of languages, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.