Aben, E. L. (2016). Improved ties with US seen: Duterte expresses optimism he'll get along well with Trump. Manila Bulletin.
Chicago-referens (17:e uppl.)Aben, Elena L. "Improved Ties with US Seen: Duterte Expresses Optimism He'll Get Along Well with Trump." Manila Bulletin 2016.
MLA-referens (9:e uppl.)Aben, Elena L. "Improved Ties with US Seen: Duterte Expresses Optimism He'll Get Along Well with Trump." Manila Bulletin, 2016.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.