Philippine Islands.Bureau of Post. (1977). List of municipalities, post-offices, postal savings banks and telegraph offices in the Philippine Islands; July 1, 1908 [microform]. Photoduplication Service. University of the Philippines Library.
Chicago-viite (17. p.)Philippine Islands.Bureau of Post. List of Municipalities, Post-offices, Postal Savings Banks and Telegraph Offices in the Philippine Islands; July 1, 1908 [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA-viite (9. p.)Philippine Islands.Bureau of Post. List of Municipalities, Post-offices, Postal Savings Banks and Telegraph Offices in the Philippine Islands; July 1, 1908 [microform]. Photoduplication Service. University of the Philippines Library, 1977.