Roxas, M. A. (1976). The Philippine islands and the independence problem [microform]. Photoduplication Service, University of the Philippines Library.
芝加哥风格引文Roxas, Manuel Acuna. The Philippine Islands and the Independence Problem [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
MLA引文Roxas, Manuel Acuna. The Philippine Islands and the Independence Problem [microform]. Photoduplication Service, University of the Philippines Library, 1976.
警告：这些引文格式不一定是100％准确.