Villanueva, M. A. (2003). Hike in contributiions mulled to shore up troubled GSIS. Philippine Star.
Chicagoスタイル(17版)引用形式Villanueva, Marichu A. "Hike in Contributiions Mulled to Shore Up Troubled GSIS." Philippine Star 2003.
MLA(9版)引用形式Villanueva, Marichu A. "Hike in Contributiions Mulled to Shore Up Troubled GSIS." Philippine Star, 2003.
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