Ruiz, J. B. UN climate summit sets goals to save forests, use clean energy. Manila Bulletin.
Chicago-referens (17:e uppl.)Ruiz, JC Bello. "UN Climate Summit Sets Goals to Save Forests, Use Clean Energy." Manila Bulletin .
MLA-referens (9:e uppl.)Ruiz, JC Bello. "UN Climate Summit Sets Goals to Save Forests, Use Clean Energy." Manila Bulletin, .
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.