Cooper, D. R., & Emory, C. W. (1995). Business Research Methods (5th ed.). Irwin.
Chicago Style (17. basım) AtıfCooper, Donald R., ve C. William Emory. Business Research Methods. 5th ed. Chicago: Irwin, 1995.
MLA (9th ed.) AtıfCooper, Donald R., ve C. William Emory. Business Research Methods. 5th ed. Irwin, 1995.
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