Kerala (India). State Planning Board. Evaluation Division. (1976). High yielding varieties programme in Kerala, virippu paddy, 1973-74: An evaluation study. Evaluation Division, State Planning Board, Government of Kerala.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kerala (India). State Planning Board. Evaluation Division. High Yielding Varieties Programme in Kerala, Virippu Paddy, 1973-74: An Evaluation Study. [Trivandrum]: Evaluation Division, State Planning Board, Government of Kerala, 1976.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Kerala (India). State Planning Board. Evaluation Division. High Yielding Varieties Programme in Kerala, Virippu Paddy, 1973-74: An Evaluation Study. Evaluation Division, State Planning Board, Government of Kerala, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.