Cendana, N. (1999). Inmates dug hole with spoons: 17 prisoners break out of Davao provincial jail. Manila Times.
Chicago-referens (17:e uppl.)Cendana, Nadia. "Inmates Dug Hole with Spoons: 17 Prisoners Break Out of Davao Provincial Jail." Manila Times 1999.
MLA-referens (9:e uppl.)Cendana, Nadia. "Inmates Dug Hole with Spoons: 17 Prisoners Break Out of Davao Provincial Jail." Manila Times, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.