De Leon, M. S. J. (1977). Income distribution in the Philippines and its relation to savings [microform]. Photoduplication Service. University of the Philippines Library.
芝加哥风格引文De Leon, Manuel S. J. Income Distribution in the Philippines and Its Relation to Savings [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA引文De Leon, Manuel S. J. Income Distribution in the Philippines and Its Relation to Savings [microform]. Photoduplication Service. University of the Philippines Library, 1977.
警告：这些引文格式不一定是100％准确.