Estareja, O. H. (2011). Was Rizal "made in U.S.A."? Bulletin of the American Historical Collection.
Chicago-viite (17. p.)Estareja, Othello H. "Was Rizal "Made in U.S.A."?" Bulletin of the American Historical Collection 2011.
MLA-viite (9. p.)Estareja, Othello H. "Was Rizal "Made in U.S.A."?" Bulletin of the American Historical Collection, 2011.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.