RIES AL. (2004). ORIGIN OF BRANDS: DISCOVER THE NATURAL LAWS...SURVIVAL. HARPER COLLINS PUBLISHERS.
Chicago-referens (17:e uppl.)RIES AL. ORIGIN OF BRANDS: DISCOVER THE NATURAL LAWS...SURVIVAL. NEW YORK: HARPER COLLINS PUBLISHERS, 2004.
MLA-referens (9:e uppl.)RIES AL. ORIGIN OF BRANDS: DISCOVER THE NATURAL LAWS...SURVIVAL. HARPER COLLINS PUBLISHERS, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.