COOPER D R & Schindler Pamela. (2019). BUSINESS RESEARCH METHODS (12th.). MCGRAW-HILL Education India.
Chicago-čujuhus (17. p.)COOPER D R juo Schindler Pamela. BUSINESS RESEARCH METHODS. 12th. Chennai: MCGRAW-HILL Education India, 2019.
MLA-čujuhus (9. p.)COOPER D R juo Schindler Pamela. BUSINESS RESEARCH METHODS. 12th. MCGRAW-HILL Education India, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.