Schindler, . P. S. S. (2012). Business Research Methods Cooper, Donald R. SAP.
Chicago-čujuhus (17. p.)Schindler, Pamela S; Sharma. Business Research Methods Cooper, Donald R. SAP, 2012.
MLA-čujuhus (9. p.)Schindler, Pamela S; Sharma. Business Research Methods Cooper, Donald R. SAP, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.