Business World. (2008). Business world top 1000 corporations in the Philippines. Business World.
Chicagoスタイル(17版)引用形式Business World. Business World Top 1000 Corporations in the Philippines. Quezon City: Business World, 2008.
MLA(9版)引用形式Business World. Business World Top 1000 Corporations in the Philippines. Business World, 2008.
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