Calica, A. (2012). 'Palace officials not covered by impeachment gag order'. Philippine Star.
Chicago-referens (17:e uppl.)Calica, Aurea. "'Palace Officials Not Covered by Impeachment Gag Order'." Philippine Star 2012.
MLA-referens (9:e uppl.)Calica, Aurea. "'Palace Officials Not Covered by Impeachment Gag Order'." Philippine Star, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.