Sermpong Phapant. (1979). A sociological study of an urban sub-area: Barrio Escopa, Project 4, Quezon City [microform]. Photoduplication Service. University of the Philippines Library.
芝加哥风格引文Sermpong Phapant. A Sociological Study of an Urban Sub-area: Barrio Escopa, Project 4, Quezon City [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1979.
MLA引文Sermpong Phapant. A Sociological Study of an Urban Sub-area: Barrio Escopa, Project 4, Quezon City [microform]. Photoduplication Service. University of the Philippines Library, 1979.
警告：这些引文格式不一定是100％准确.