DeWitt, N. (1961). Education and professional employment in the U.S.S.R. Prepared for the National Science Foundation by the Office of Scientific Personnel, National Academy of Sciences-National Research Council. National Science Foundation.
Citazione stile Chigago Style (17a edizione)DeWitt, Nicholas. Education and Professional Employment in the U.S.S.R. Prepared for the National Science Foundation by the Office of Scientific Personnel, National Academy of Sciences-National Research Council. [Washington]: National Science Foundation, 1961.
Citatione MLA (8a ed.)DeWitt, Nicholas. Education and Professional Employment in the U.S.S.R. Prepared for the National Science Foundation by the Office of Scientific Personnel, National Academy of Sciences-National Research Council. National Science Foundation, 1961.