International rice research institute. (1979). The fifth international rice brown planthopper nursey ( IRBPHN-1979). Philippines: The National Rice Research Institute.
Παραπομπή Chicago StyleInternational rice research institute. The Fifth International Rice Brown Planthopper Nursey ( IRBPHN-1979). Philippines: The National Rice Research Institute, 1979.
Παραπομπή MLAInternational rice research institute. The Fifth International Rice Brown Planthopper Nursey ( IRBPHN-1979). Philippines: The National Rice Research Institute, 1979.
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