Del Castillo, L. B. (2002). Flight from Laoag was first Philippine hijacking [series]. Manila Times.
Chicago-referens (17:e uppl.)Del Castillo, Leah B. "Flight from Laoag Was First Philippine Hijacking [series]." Manila Times 2002.
MLA-referens (9:e uppl.)Del Castillo, Leah B. "Flight from Laoag Was First Philippine Hijacking [series]." Manila Times, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.