Coloma, M. A. (1976). Problem solving skills of sophomore students as developed in general science in a selecyted high school [microform]. Photoduplication Service. University of the Philippines Library.
芝加哥风格引文Coloma, Maria Asuncion. Problem Solving Skills of Sophomore Students as Developed in General Science in a Selecyted High School [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1976.
MLA引文Coloma, Maria Asuncion. Problem Solving Skills of Sophomore Students as Developed in General Science in a Selecyted High School [microform]. Photoduplication Service. University of the Philippines Library, 1976.
警告：这些引文格式不一定是100％准确.