Marcos, F. E. (1967). Extemporaneous speech at the Annual Seminar of the Philippine Historical Association, FEU, 29 November 1967.
Cita Chicago (17th ed.)Marcos, Ferdinand E. Extemporaneous Speech at the Annual Seminar of the Philippine Historical Association, FEU, 29 November 1967. 1967.
Cita MLA (9th ed.)Marcos, Ferdinand E. Extemporaneous Speech at the Annual Seminar of the Philippine Historical Association, FEU, 29 November 1967. 1967.
Atenció: Aquestes cites poden no estar 100% correctes.