HAMMER MICHAEL. (2009). BEYOND REENGINEERING. PROFILE BOOKS.
Chicago-čujuhus (17. p.)HAMMER MICHAEL. BEYOND REENGINEERING. LONDON: PROFILE BOOKS, 2009.
MLA-čujuhus (9. p.)HAMMER MICHAEL. BEYOND REENGINEERING. PROFILE BOOKS, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.