Unson, J. M. (1998). No. 2 Abu Sayyaf chief killed by comrades. Manila Times.
Chicagoスタイル(17版)引用形式Unson, John M. "No. 2 Abu Sayyaf Chief Killed by Comrades." Manila Times 1998.
MLA(9版)引用形式Unson, John M. "No. 2 Abu Sayyaf Chief Killed by Comrades." Manila Times, 1998.
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