National Historical Commission Special Rizal Day Celebration Committee. [Programme for the 8th Annual Rizal Day Lecture, 30 December 1974].
Chicago-referens (17:e uppl.)National Historical Commission Special Rizal Day Celebration Committee. [Programme for the 8th Annual Rizal Day Lecture, 30 December 1974].
MLA-referens (9:e uppl.)National Historical Commission Special Rizal Day Celebration Committee. [Programme for the 8th Annual Rizal Day Lecture, 30 December 1974].
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.