DRUCKER PETER F. (1999). FRONTIERS OF MANAGEMENT. TRUMAN TALLEY BOOKS.
Chicago-čujuhus (17. p.)DRUCKER PETER F. FRONTIERS OF MANAGEMENT. TRUMAN TALLEY BOOKS, 1999.
MLA-čujuhus (9. p.)DRUCKER PETER F. FRONTIERS OF MANAGEMENT. TRUMAN TALLEY BOOKS, 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.