International rice testing program. (1981). 1981 IRTP nurseries master fiedbook. Philippines: The international rice research institute.
استشهاد بنمط شيكاغوInternational rice testing program. 1981 IRTP Nurseries Master Fiedbook. Philippines: The international rice research institute, 1981.
MLA استشهادInternational rice testing program. 1981 IRTP Nurseries Master Fiedbook. Philippines: The international rice research institute, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.