Bartolomé de Letona, OSF, "Description of the Filipinas Islands" in The Philippine Islands, 1493-1803, vol. 34 (页面存档备份,存于互联网档案馆), eds. Emma H. Blair and James A. Robertson (Cleveland: The Arthur H. Clark Company, 1906), 208.
web.archive.org
Bartolomé de Letona, OSF, "Description of the Filipinas Islands" in The Philippine Islands, 1493-1803, vol. 34 (页面存档备份,存于互联网档案馆), eds. Emma H. Blair and James A. Robertson (Cleveland: The Arthur H. Clark Company, 1906), 208.