United Nations. Technical Assistance Administration. (1951). Services of the United Nations Technical Assistance Administration and how to obtain them. [s.n.].
Citazione stile Chigago Style (17a edizione)United Nations. Technical Assistance Administration. Services of the United Nations Technical Assistance Administration and How to Obtain Them. New York: [s.n.], 1951.
Citatione MLA (9a ed.)United Nations. Technical Assistance Administration. Services of the United Nations Technical Assistance Administration and How to Obtain Them. [s.n.], 1951.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.