Camara de comercio de las Islas Filipinas. (1975). Yearbook of the Philippine Islands [microform]. Pub. by the Camara de comercio de las Islas Filipinas [Chamber of Commerce of the Philippine Islands] 1920. Photoduplication Service.
芝加哥风格引文Camara de comercio de las Islas Filipinas. Yearbook of the Philippine Islands [microform]. Pub. by the Camara De Comercio De Las Islas Filipinas [Chamber of Commerce of the Philippine Islands] 1920. Quezon City: Photoduplication Service, 1975.
MLA引文Camara de comercio de las Islas Filipinas. Yearbook of the Philippine Islands [microform]. Pub. by the Camara De Comercio De Las Islas Filipinas [Chamber of Commerce of the Philippine Islands] 1920. Photoduplication Service, 1975.
警告：这些引文格式不一定是100％准确.