Merkoša sitáhtat

APA-čujuhus (7. p.)
Beri, G. C. (1989). Marketing research: Text and cases. Tata Mcgraw-hill.
Chicago-čujuhus (17. p.)
Beri, G. C. Marketing Research: Text and Cases. New Delhi: Tata Mcgraw-hill, 1989.
MLA-čujuhus (9. p.)
Beri, G. C. Marketing Research: Text and Cases. Tata Mcgraw-hill, 1989.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.