Philippine National Historical Society. (1954). Constitution by -laws, and articles of incorporation. [s.n.].
Chicago Style aipamenaPhilippine National Historical Society. Constitution by -laws, and Articles of Incorporation. Manila: [s.n.], 1954.
MLA aipamenaPhilippine National Historical Society. Constitution by -laws, and Articles of Incorporation. [s.n.], 1954.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.