COOPER, D. R., & EMORY, C. W. (1995). Business research methods.-- ed.5. Irwin.
芝加哥风格引文COOPER, Donald R., 与 C. William EMORY. Business Research Methods.-- Ed.5. Chicago: Irwin, 1995.
MLA引文COOPER, Donald R., 与 C. William EMORY. Business Research Methods.-- Ed.5. Irwin, 1995.
警告：这些引文格式不一定是100％准确.