Pura, C. D. (1977). Resistance to the brown planthopper Nilaparvata lugens (Stal) in rice varieties [microform]. Photoduplication Service. University of the Philippines Library.
芝加哥风格引文Pura, Caesar Dollentas. Resistance to the Brown Planthopper Nilaparvata Lugens (Stal) in Rice Varieties [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA引文Pura, Caesar Dollentas. Resistance to the Brown Planthopper Nilaparvata Lugens (Stal) in Rice Varieties [microform]. Photoduplication Service. University of the Philippines Library, 1977.
警告：这些引文格式不一定是100％准确.