APA (7th ed.) Citation

Hoff and Overgaard & World Tourism Organization. (1992). Tourism master plan for the Philippines. World Tourism Organization.

Chicago Style (17th ed.) Citation

Hoff and Overgaard and World Tourism Organization. Tourism Master Plan for the Philippines. [Madridn]: World Tourism Organization, 1992.

MLA (9th ed.) Citation

Hoff and Overgaard and World Tourism Organization. Tourism Master Plan for the Philippines. World Tourism Organization, 1992.