Sto. Tomas, P. A. (1977). Communication levels and socio-economic development in Southern Luzon (Region IV) [microform]. Photoduplication Service, University of the Philippines Library.
Chicago Style (17th ed.) CitationSto. Tomas, Patricia A. Communication Levels and Socio-economic Development in Southern Luzon (Region IV) [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
MLA引文Sto. Tomas, Patricia A. Communication Levels and Socio-economic Development in Southern Luzon (Region IV) [microform]. Photoduplication Service, University of the Philippines Library, 1977.
警告:這些引文格式不一定是100%准確.