DRUCHER PETER F. (1985). INNOVATION AND ENTERPRENEURSHIP. HARPER & ROW.
Chicago-čujuhus (17. p.)DRUCHER PETER F. INNOVATION AND ENTERPRENEURSHIP. NEW YORK: HARPER & ROW, 1985.
MLA-čujuhus (9. p.)DRUCHER PETER F. INNOVATION AND ENTERPRENEURSHIP. HARPER & ROW, 1985.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.