Warren, J. F. (1975). Trade, raid, slave: The socio-economic patterns of the Sulu Zone, 1770-1898.
Čikaški stil citiranja (17. izdanje)Warren, James Francis. Trade, Raid, Slave: The Socio-economic Patterns of the Sulu Zone, 1770-1898. 1975.
MLA način citiranja (8. izdanje)Warren, James Francis. Trade, Raid, Slave: The Socio-economic Patterns of the Sulu Zone, 1770-1898. 1975.
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