Warren, J. F. (2000). The global economy and the Sulu zone: Connections, commodities and culture. New Day.
Cita Chicago (17th ed.)Warren, James Francis. The Global Economy and the Sulu Zone: Connections, Commodities and Culture. Quezon City: New Day, 2000.
Cita MLA (9th ed.)Warren, James Francis. The Global Economy and the Sulu Zone: Connections, Commodities and Culture. New Day, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.