U.S. Board on Geographical Names & U.S. Army Map Service. A.M.S. S401. (1944). Gazetteer to maps of the Philippine Islands, map series AMS S401 scale 1: 500,000 (2nd ed.). Army Map Service.
Citace podle Chicago (17th ed.)U.S. Board on Geographical Names a U.S. Army Map Service. A.M.S. S401. Gazetteer to Maps of the Philippine Islands, Map Series AMS S401 Scale 1: 500,000. 2nd ed. Washington: Army Map Service, 1944.
Citace podle MLA (9th ed.)U.S. Board on Geographical Names a U.S. Army Map Service. A.M.S. S401. Gazetteer to Maps of the Philippine Islands, Map Series AMS S401 Scale 1: 500,000. 2nd ed. Army Map Service, 1944.
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