COOPER, D. R., & SCHINDLER, P. S. (2011). Business research methods. McGraw-Hill Book Company.
Chicago-čujuhus (17. p.)COOPER, Donald R., juo Pamela S. SCHINDLER. Business Research Methods. McGraw-Hill Book Company, 2011.
MLA-čujuhus (9. p.)COOPER, Donald R., juo Pamela S. SCHINDLER. Business Research Methods. McGraw-Hill Book Company, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.