CRAINER S. (2003). BUSINESS THE UNIVERSE AND EVERYTHING. CAPSTONE.
Lua i Stíl Chicago (17ú heag.)CRAINER S. BUSINESS THE UNIVERSE AND EVERYTHING. LONDON: CAPSTONE, 2003.
Lua MLA (9ú heag.)CRAINER S. BUSINESS THE UNIVERSE AND EVERYTHING. CAPSTONE, 2003.
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