Philippine National Historical Society. (1954). Constitution by -laws, and articles of incorporation. [s.n.].
Chicago-referens (17:e uppl.)Philippine National Historical Society. Constitution by -laws, and Articles of Incorporation. Manila: [s.n.], 1954.
MLA-referens (9:e uppl.)Philippine National Historical Society. Constitution by -laws, and Articles of Incorporation. [s.n.], 1954.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.