GMA News and Public Affairs. (2009). The best of I-witness, volume 4. GMA Network.
Chicago-viite (17. p.)GMA News and Public Affairs. The Best of I-witness, Volume 4. Quezon City: GMA Network, 2009.
MLA-viite (9. p.)GMA News and Public Affairs. The Best of I-witness, Volume 4. GMA Network, 2009.
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