De Castro, C. (1999). UP Manila brings much-needed eye care service to rural areas. Philippine Star.
Chicagoスタイル(17版)引用形式De Castro, Cookie. "UP Manila Brings Much-needed Eye Care Service to Rural Areas." Philippine Star 1999.
MLA(9版)引用形式De Castro, Cookie. "UP Manila Brings Much-needed Eye Care Service to Rural Areas." Philippine Star, 1999.
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