APA (7e ed.) Bronvermelding

International Union of Official Travel Organizations & International Bank for Reconstruction and Development. (1972). Study of the prospects for tourism development in the Middle East Region. IUOTO.

Chicago (17e ed.) Bronvermelding

International Union of Official Travel Organizations en International Bank for Reconstruction and Development. Study of the Prospects for Tourism Development in the Middle East Region. Geneva: IUOTO, 1972.

MLA (9e ed.) Bronvermelding

International Union of Official Travel Organizations en International Bank for Reconstruction and Development. Study of the Prospects for Tourism Development in the Middle East Region. IUOTO, 1972.