Calica, A. (2010). LP welcomes survey showing Noynoy as top choice of foreign investors. Philippine Star.
Chicago-referens (17:e uppl.)Calica, Aurea. "LP Welcomes Survey Showing Noynoy as Top Choice of Foreign Investors." Philippine Star 2010.
MLA-referens (9:e uppl.)Calica, Aurea. "LP Welcomes Survey Showing Noynoy as Top Choice of Foreign Investors." Philippine Star, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.