U.S. International Cooperation Administration. Office of Industrial Resources. Technical literature service. [n.d.].
Citazione stile Chigago Style (17a edizione)U.S. International Cooperation Administration. Office of Industrial Resources. Technical Literature Service. Washington: [n.d.].
Citatione MLA (9a ed.)U.S. International Cooperation Administration. Office of Industrial Resources. Technical Literature Service. [n.d.].
Attenzione: Queste citazioni potrebbero non essere precise al 100%.