Cita APA (7a ed.)

Calderon, A. B. (1976). An investigation of The Sentinel, National Catholic Weekly, as a mass medium of communication, 1949-1968 [microform]. Photoduplication Service, University of the Philippines Library.

Cita Chicago Style (17a ed.)

Calderon, Aurelio B. An Investigation of The Sentinel, National Catholic Weekly, as a Mass Medium of Communication, 1949-1968 [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.

Cita MLA (9a ed.)

Calderon, Aurelio B. An Investigation of The Sentinel, National Catholic Weekly, as a Mass Medium of Communication, 1949-1968 [microform]. Photoduplication Service, University of the Philippines Library, 1976.