Ries Al. (2004). Origin of Brands. Harper Collins.
Chicago-čujuhus (17. p.)Ries Al. Origin of Brands. New York: Harper Collins, 2004.
MLA-čujuhus (9. p.)Ries Al. Origin of Brands. Harper Collins, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.