Cita APA (7th ed.)

Niguidula, B. N. (1977). Study of the factors of production of Philippine newspapers and some foreign newspapers [microform]. Photoduplication Service. University of the Philippines Library.

Cita Chicago (17th ed.)

Niguidula, Bernardo N. Study of the Factors of Production of Philippine Newspapers and Some Foreign Newspapers [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

Cita MLA (9th ed.)

Niguidula, Bernardo N. Study of the Factors of Production of Philippine Newspapers and Some Foreign Newspapers [microform]. Photoduplication Service. University of the Philippines Library, 1977.