Philippines. Department of Tourism. Office of Tourism Information & Teehankee, R. J. (1990). Philippines. Office of Tourism Information, Deaprtment of tourism.
Chicagoスタイル(17版)引用形式Philippines. Department of Tourism. Office of Tourism Information , Raul J. Teehankee. Philippines. Manila: Office of Tourism Information, Deaprtment of tourism, 1990.
MLA(9版)引用形式Philippines. Department of Tourism. Office of Tourism Information , Raul J. Teehankee. Philippines. Office of Tourism Information, Deaprtment of tourism, 1990.
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