De Leon, A. L. (2012). Ampatuan defense impugns Mangudadatu. Malaya Business Insight.
Chicago Style (17th ed.) CitationDe Leon, Angela Lopez. "Ampatuan Defense Impugns Mangudadatu." Malaya Business Insight 2012.
MLA (9th ed.) CitationDe Leon, Angela Lopez. "Ampatuan Defense Impugns Mangudadatu." Malaya Business Insight, 2012.
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