Dela Cruz, L. A. (1998). Intellectual revolution and neo-philosophic interpretation of history (Philippine ed.). [The Author].
Chicago-viite (17. p.)Dela Cruz, Leopoldo A. Intellectual Revolution and Neo-philosophic Interpretation of History. Philippine ed. United States: [The Author], 1998.
MLA-viite (9. p.)Dela Cruz, Leopoldo A. Intellectual Revolution and Neo-philosophic Interpretation of History. Philippine ed. [The Author], 1998.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.