Alfonso, P. O. (1999). New direction in Philippine-American relations and its politico-military implications to national security.
Chicago Style (17. basım) AtıfAlfonso, Pancracio Octaviano. New Direction in Philippine-American Relations and Its Politico-military Implications to National Security. 1999.
MLA (9th ed.) AtıfAlfonso, Pancracio Octaviano. New Direction in Philippine-American Relations and Its Politico-military Implications to National Security. 1999.
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