Constantino, R. (1981). Soliongco today: A contemporary from the past. Foundation for Nationalist Studies.
Chicago-referens (17:e uppl.)Constantino, Renato. Soliongco Today: A Contemporary from the Past. Quezon City: Foundation for Nationalist Studies, 1981.
MLA-referens (9:e uppl.)Constantino, Renato. Soliongco Today: A Contemporary from the Past. Foundation for Nationalist Studies, 1981.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.