APA-Zitierstil (7. Ausg.)

World Tourism Organization. (1981). Organization and operation of the statistics service within the National Tourism Administration: Basic guidelines. The Organization.

Chicago-Zitierstil (17. Ausg.)

World Tourism Organization. Organization and Operation of the Statistics Service Within the National Tourism Administration: Basic Guidelines. Madrid: The Organization, 1981.

MLA-Zitierstil (9. Ausg.)

World Tourism Organization. Organization and Operation of the Statistics Service Within the National Tourism Administration: Basic Guidelines. The Organization, 1981.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.