APA Citation

San Román, L. (1999). Principles and guidelines for tourism sustainability internationally agreed. Universidad Nacional, Costa Rica.

Chicago Style Citation

San Román, Lorena. Principles and Guidelines for Tourism Sustainability Internationally Agreed. Universidad Nacional, Costa Rica, 1999.

MLA Citation

San Román, Lorena. Principles and Guidelines for Tourism Sustainability Internationally Agreed. Universidad Nacional, Costa Rica, 1999.

Warning: These citations may not always be 100% accurate.