(1988). Elements of management analysis: Student manual.
Chicago-čujuhus (17. p.)Elements of Management Analysis: Student Manual. 1988.
MLA-čujuhus (9. p.)Elements of Management Analysis: Student Manual. 1988.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.