Osmena, S. (1940). Speech delivered at the Far Eastern University convocation, January 27, 1940.
Chicago-viite (17. p.)Osmena, Sergio. Speech Delivered at the Far Eastern University Convocation, January 27, 1940. 1940.
MLA-viite (8. p.)Osmena, Sergio. Speech Delivered at the Far Eastern University Convocation, January 27, 1940. 1940.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.