International Rice Research Institute. (1990). 21st meeting of the Asian rice farming systems working group meeting. Thailand: Deparment of agriculture.
استشهاد بنمط شيكاغوInternational Rice Research Institute. 21st Meeting of the Asian Rice Farming Systems Working Group Meeting. Thailand: Deparment of agriculture, 1990.
MLA استشهادInternational Rice Research Institute. 21st Meeting of the Asian Rice Farming Systems Working Group Meeting. Thailand: Deparment of agriculture, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.