DRUCKER PETER F. (2004). INNOVATION AND ENTREPRENURSHIP. ELSEVIER.
Chicago-čujuhus (17. p.)DRUCKER PETER F. INNOVATION AND ENTREPRENURSHIP. AMSTERDAM: ELSEVIER, 2004.
MLA-čujuhus (9. p.)DRUCKER PETER F. INNOVATION AND ENTREPRENURSHIP. ELSEVIER, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.