Platon, R. J. (1977). The selective reduction of Philippine laterite ores [microform]. Photoduplication Service. University of the Philippines Library.
芝加哥风格引文Platon, Romerico J. The Selective Reduction of Philippine Laterite Ores [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA引文Platon, Romerico J. The Selective Reduction of Philippine Laterite Ores [microform]. Photoduplication Service. University of the Philippines Library, 1977.
警告：这些引文格式不一定是100％准确.