Cita APA (7a ed.)

(1976). Commercial and trade directory of the Philippines [microform]. Photoduplication Service, University of the Philippines Library.

Cita Chicago Style (17a ed.)

Commercial and Trade Directory of the Philippines [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.

Cita MLA (9a ed.)

Commercial and Trade Directory of the Philippines [microform]. Photoduplication Service, University of the Philippines Library, 1976.