Cox, K. (1973). Experimentation for marketing decision. National Textbook Ltd.
Chicago-čujuhus (17. p.)Cox, Keith. Experimentation for Marketing Decision. NULL: National Textbook Ltd, 1973.
MLA-čujuhus (9. p.)Cox, Keith. Experimentation for Marketing Decision. National Textbook Ltd, 1973.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.