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.
Citazione stile Chigago Style (17a edizione)International Union of Official Travel Organizations e International Bank for Reconstruction and Development. Study of the Prospects for Tourism Development in the Middle East Region. Geneva: IUOTO, 1972.
Citatione MLA (9a ed.)International Union of Official Travel Organizations e International Bank for Reconstruction and Development. Study of the Prospects for Tourism Development in the Middle East Region. IUOTO, 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.