(2004). IE Business Cases. PERI Espa na (Part B). IE Business School.
Lua i Stíl Chicago (17ú heag.)IE Business Cases. PERI Espa Na (Part B). [S.l.]: IE Business School, 2004.
Lua MLA (9ú heag.)IE Business Cases. PERI Espa Na (Part B). IE Business School, 2004.
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