Goel, B. (2006). History and dev of marketing research.
Chicago-čujuhus (17. p.)Goel, B. History and Dev of Marketing Research. New Delhi, 2006.
MLA-čujuhus (9. p.)Goel, B. History and Dev of Marketing Research. 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.