APA-čujuhus (7. p.)

Cooper, D. R., & Schindler, P. S. S. (2018). Business Research Methods (12th.). Mcgraw Hill.

Chicago-čujuhus (17. p.)

Cooper, Donald R., juo Pamela S.; Sharma Schindler. Business Research Methods. 12th. Chennai: Mcgraw Hill, 2018.

MLA-čujuhus (9. p.)

Cooper, Donald R., juo Pamela S.; Sharma Schindler. Business Research Methods. 12th. Mcgraw Hill, 2018.

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