International Rice Research Institute. (1990). 21st meeting of the Asian rice farming systems working group meeting. Thailand: Deparment of agriculture.
Trích dẫn kiểu ChicagoInternational Rice Research Institute. 21st Meeting of the Asian Rice Farming Systems Working Group Meeting. Thailand: Deparment of agriculture, 1990.
MLA引文International Rice Research Institute. 21st Meeting of the Asian Rice Farming Systems Working Group Meeting. Thailand: Deparment of agriculture, 1990.
警告：这些引文格式不一定是100％准确.