Reyes, V. (2012). 12 rangers killed in clashes with Abu Sayyaf. Malaya Business Insight.
Chicago-referens (17:e uppl.)Reyes, Victor. "12 Rangers Killed in Clashes with Abu Sayyaf." Malaya Business Insight 2012.
MLA-referens (9:e uppl.)Reyes, Victor. "12 Rangers Killed in Clashes with Abu Sayyaf." Malaya Business Insight, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.