Crisostomo, S. (2012). Pfizer says product recall only due to incorrect declaration. Philippine Star.
Chicagoスタイル(17版)引用形式Crisostomo, Sheila. "Pfizer Says Product Recall Only Due to Incorrect Declaration." Philippine Star 2012.
MLA(9版)引用形式Crisostomo, Sheila. "Pfizer Says Product Recall Only Due to Incorrect Declaration." Philippine Star, 2012.
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