RIES AL. (1989). BOTTOM-UP MARKETING. MCGRAW-HILL.
Chicago-čujuhus (17. p.)RIES AL. BOTTOM-UP MARKETING. NEW YORK: MCGRAW-HILL, 1989.
MLA-čujuhus (9. p.)RIES AL. BOTTOM-UP MARKETING. MCGRAW-HILL, 1989.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.