Francisco, G. B. (1942). Open letter to our countrymen. [s.n.].
Cita Chicago (17th ed.)Francisco, Guillermo B. Open Letter to Our Countrymen. [Manila]: [s.n.], 1942.
Cita MLA (9th ed.)Francisco, Guillermo B. Open Letter to Our Countrymen. [s.n.], 1942.
Atenció: Aquestes cites poden no estar 100% correctes.