Gripaldo, R. M. Manuel Luis Quezon: His political and social thought.
Chicago-referens (17:e uppl.)Gripaldo, Rolando M. Manuel Luis Quezon: His Political and Social Thought.
MLA-referens (9:e uppl.)Gripaldo, Rolando M. Manuel Luis Quezon: His Political and Social Thought.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.