Crisostomo, S. (2012). Pfizer says product recall only due to incorrect declaration. Philippine Star.
Citace podle Chicago (17th ed.)Crisostomo, Sheila. "Pfizer Says Product Recall Only Due to Incorrect Declaration." Philippine Star 2012.
Citace podle MLA (9th ed.)Crisostomo, Sheila. "Pfizer Says Product Recall Only Due to Incorrect Declaration." Philippine Star, 2012.
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