Cagahastian, D. C. (2002). 20 Metro hospitals sell cheap medicines. Manila Bulletin.
Chicagoスタイル(17版)引用形式Cagahastian, Diego C. "20 Metro Hospitals Sell Cheap Medicines." Manila Bulletin 2002.
MLA(9版)引用形式Cagahastian, Diego C. "20 Metro Hospitals Sell Cheap Medicines." Manila Bulletin, 2002.
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