Alejandro, M. S. (1974). A unit plan for teaching grammar in the first year high school [microform]. Photoduplication Service, University of the Philippines Library.
芝加哥风格引文Alejandro, Magdalena Salaw. A Unit Plan for Teaching Grammar in the First Year High School [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
MLA引文Alejandro, Magdalena Salaw. A Unit Plan for Teaching Grammar in the First Year High School [microform]. Photoduplication Service, University of the Philippines Library, 1974.
警告：这些引文格式不一定是100％准确.