Cassanova, S. (2002). IT - certified professionals a boon to tech firms. Manila Times.
Chicagoスタイル(17版)引用形式Cassanova, Sheryl. "IT - Certified Professionals a Boon to Tech Firms." Manila Times 2002.
MLA(9版)引用形式Cassanova, Sheryl. "IT - Certified Professionals a Boon to Tech Firms." Manila Times, 2002.
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