Platon, R. J. (1977). The selective reduction of Philippine laterite ores [microform]. Photoduplication Service. University of the Philippines Library.
Chicagoスタイル(17版)引用形式Platon, Romerico J. The Selective Reduction of Philippine Laterite Ores [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA(9版)引用形式Platon, Romerico J. The Selective Reduction of Philippine Laterite Ores [microform]. Photoduplication Service. University of the Philippines Library, 1977.
警告: この引用は必ずしも正確ではありません.