APA (7th ed.) Citation

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.) Citation

Sto. 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 (9th ed.) Citation

Sto. Tomas, Patricia A. Communication Levels and Socio-economic Development in Southern Luzon (Region IV) [microform]. Photoduplication Service, University of the Philippines Library, 1977.