(2004). IE Business Cases. PERI Espa na (Part B). IE Business School.
Chicago-čujuhus (17. p.)IE Business Cases. PERI Espa Na (Part B). [S.l.]: IE Business School, 2004.
MLA-čujuhus (9. p.)IE Business Cases. PERI Espa Na (Part B). IE Business School, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.