Yap, D. (2012). Code of silence hampers search for missing miners. Philippine Daily Inquirer.
Chicagoスタイル(17版)引用形式Yap, DJ. "Code of Silence Hampers Search for Missing Miners." Philippine Daily Inquirer 2012.
MLA(9版)引用形式Yap, DJ. "Code of Silence Hampers Search for Missing Miners." Philippine Daily Inquirer, 2012.
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