United Nations Industrial Development Organization & Industrial Development Centre for Arab States. (1980). Manual for evaluation of industrial projects. United Nations.
Citazione stile Chigago Style (17a edizione)United Nations Industrial Development Organization e Industrial Development Centre for Arab States. Manual for Evaluation of Industrial Projects. New York: United Nations, 1980.
Citatione MLA (9a ed.)United Nations Industrial Development Organization e Industrial Development Centre for Arab States. Manual for Evaluation of Industrial Projects. United Nations, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.