Warren, J. F. (2000). The global economy and the Sulu zone: Connections, commodities and culture (Philippine edition.). New Day Publishers.
Lua i Stíl Chicago (17ú heag.)Warren, James Francis. The Global Economy and the Sulu Zone: Connections, Commodities and Culture. Philippine edition. Quezon City: New Day Publishers, 2000.
Lua MLA (9ú heag.)Warren, James Francis. The Global Economy and the Sulu Zone: Connections, Commodities and Culture. Philippine edition. New Day Publishers, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.