APA
(2012). Probing Philippine-Spanish Connections in History: selected papers (Philippine-Spanish Friendship Day 2011-2nd Dia del Galleon Anniversarry Commemoration " A Return to our Hispanic Roots: Revisiting the galleon trade", University of San Carlos, Cebu City, 6-8 October 2011. Manila: National Historical Commission of the Philippines.
Chicago
2012. Probing Philippine-Spanish Connections in History: selected papers (Philippine-Spanish Friendship Day 2011-2nd Dia del Galleon Anniversarry Commemoration " A Return to our Hispanic Roots: Revisiting the galleon trade", University of San Carlos, Cebu City, 6-8 October 2011. Manila: National Historical Commission of the Philippines.
Harvard
(2012). Probing Philippine-Spanish Connections in History: selected papers (Philippine-Spanish Friendship Day 2011-2nd Dia del Galleon Anniversarry Commemoration " A Return to our Hispanic Roots: Revisiting the galleon trade", University of San Carlos, Cebu City, 6-8 October 2011. Manila: National Historical Commission of the Philippines.
MLA
Probing Philippine-Spanish Connections in History: selected papers (Philippine-Spanish Friendship Day 2011-2nd Dia del Galleon Anniversarry Commemoration " A Return to our Hispanic Roots: Revisiting the galleon trade", University of San Carlos, Cebu City, 6-8 October 2011. Manila: National Historical Commission of the Philippines. 2012.