UNITED NATIONS,Industrial Development Organization. (1978). Manual for the preparation of industrial feasibilitystudies. United Nations.
Chicago-čujuhus (17. p.)UNITED NATIONS,Industrial Development Organization. Manual for the Preparation of Industrial Feasibilitystudies. New York: United Nations, 1978.
MLA-čujuhus (9. p.)UNITED NATIONS,Industrial Development Organization. Manual for the Preparation of Industrial Feasibilitystudies. United Nations, 1978.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.