Schmookler , J., & Edited by Hurwicz ,Leonid. (1972). Patents, invention and economic change: Data and selected essays. Harvard Univ. Pr..
Chicago-čujuhus (17. p.)Schmookler , Jacob, juo Edited by Hurwicz ,Leonid. Patents, Invention and Economic Change: Data and Selected Essays. Cambridge, Mass: Harvard Univ. Pr., 1972.
MLA-čujuhus (9. p.)Schmookler , Jacob, juo Edited by Hurwicz ,Leonid. Patents, Invention and Economic Change: Data and Selected Essays. Harvard Univ. Pr., 1972.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.