Jeffrey, R. (2004). Indiayle pathra viplavam: Muthalalitham, rashtreeyam, bharatheeya basha pathrangal, 1977-99. State Institute of Languages.
शिकागो स्टाइल उद्धरणJeffrey, Robin. Indiayle Pathra Viplavam: Muthalalitham, Rashtreeyam, Bharatheeya Basha Pathrangal, 1977-99. Thiruvananthapuram: State Institute of Languages, 2004.
एमएलए उद्धरणJeffrey, Robin. Indiayle Pathra Viplavam: Muthalalitham, Rashtreeyam, Bharatheeya Basha Pathrangal, 1977-99. State Institute of Languages, 2004.
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