APA-referens (7:e uppl.)

Caceres, M. V. P. (2014). The Sulu sultanate: Foreign relations, contacts and collaboration with other Asian kingdoms. Tambara.

Chicago-referens (17:e uppl.)

Caceres, Michael Vincent P. "The Sulu Sultanate: Foreign Relations, Contacts and Collaboration with Other Asian Kingdoms." Tambara 2014.

MLA-referens (9:e uppl.)

Caceres, Michael Vincent P. "The Sulu Sultanate: Foreign Relations, Contacts and Collaboration with Other Asian Kingdoms." Tambara, 2014.