Ries, A. (1996). The 22 Immutable laws of marketing. Harper Collins Publications.
Chicago-čujuhus (17. p.)Ries, AI. The 22 Immutable Laws of Marketing. New delhi: Harper Collins Publications, 1996.
MLA-čujuhus (9. p.)Ries, AI. The 22 Immutable Laws of Marketing. Harper Collins Publications, 1996.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.