Boyd, H. W. (2004). Marketing research (7.). AITBS Publishers.
Chicago-čujuhus (17. p.)Boyd, Harper W. Marketing Research. 7. New Delhi: AITBS Publishers, 2004.
MLA-čujuhus (9. p.)Boyd, Harper W. Marketing Research. 7. AITBS Publishers, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.