National Science Foundation - office of Special studies. (1958). Research and Development and its Impact on the Economy A Selected Bibliography. National Science Foundation - office of Special studies.
Chicago-čujuhus (17. p.)National Science Foundation - office of Special studies. Research and Development and Its Impact on the Economy A Selected Bibliography. Washington: National Science Foundation - office of Special studies, 1958.
MLA-čujuhus (9. p.)National Science Foundation - office of Special studies. Research and Development and Its Impact on the Economy A Selected Bibliography. National Science Foundation - office of Special studies, 1958.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.