Briggs, C. W. (1974). The progressing Philippines [microform]. Photoduplication Service.
Citación estilo ChicagoBriggs, Charles W. The Progressing Philippines [microform]. Quezon City: Photoduplication Service, 1974.
Cita MLABriggs, Charles W. The Progressing Philippines [microform]. Photoduplication Service, 1974.
Warning: These citations may not always be 100% accurate.