Cooper, D. R., & Schindler, P. S. S. (2012). Business Research Methods (11th.). Tata McGraw Hill.
Chicago-čujuhus (17. p.)Cooper, Donald R., juo Pamela S; Sharma Schindler. Business Research Methods. 11th. New Delhi: Tata McGraw Hill, 2012.
MLA-čujuhus (9. p.)Cooper, Donald R., juo Pamela S; Sharma Schindler. Business Research Methods. 11th. Tata McGraw Hill, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.