Angara, E. J. (1982). Commencement speeches: Information Office. University of the Philippines.
Chicago-referens (17:e uppl.)Angara, Edgardo Javier. Commencement Speeches: Information Office. Quezon City: University of the Philippines, 1982.
MLA-referens (9:e uppl.)Angara, Edgardo Javier. Commencement Speeches: Information Office. University of the Philippines, 1982.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.