International Rice Research Institute, & International rice testing program. (1981). Preliminary report of 1980 IRTP nurseries. Manila, Philippines: The international rice research institute.
استشهاد بنمط شيكاغوInternational Rice Research Institute, و International rice testing program. Preliminary Report of 1980 IRTP Nurseries. Manila, Philippines: The international rice research institute, 1981.
MLA استشهادInternational Rice Research Institute, و International rice testing program. Preliminary Report of 1980 IRTP Nurseries. Manila, Philippines: The international rice research institute, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.