Hoff and Overgaard & World Tourism Organization. (1992). Tourism master plan for the Philippines. World Tourism Organization.
Dyfyniad Arddull ChicagoHoff and Overgaard and World Tourism Organization. Tourism Master Plan for the Philippines. [Madridn]: World Tourism Organization, 1992.
Dyfyniad MLAHoff and Overgaard and World Tourism Organization. Tourism Master Plan for the Philippines. World Tourism Organization, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.