Philippines. Department of Tourism. Office of Tourism Information & Teehankee, R. J. (1990). Philippines. Office of Tourism Information, Deaprtment of tourism.
Citazione stile Chigago Style (17a edizione)Philippines. Department of Tourism. Office of Tourism Information e Raul J. Teehankee. Philippines. Manila: Office of Tourism Information, Deaprtment of tourism, 1990.
Citatione MLA (9a ed.)Philippines. Department of Tourism. Office of Tourism Information e Raul J. Teehankee. Philippines. Office of Tourism Information, Deaprtment of tourism, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.