International rice research institute. (1990). Program report for 1989: International rice research institute. Manila: International rice research institute.
استشهاد بنمط شيكاغوInternational rice research institute. Program Report for 1989: International Rice Research Institute. Manila: International rice research institute, 1990.
MLA استشهادInternational rice research institute. Program Report for 1989: International Rice Research Institute. Manila: International rice research institute, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.