COOPER DONALD R. (2009). BUSINESS RESEARCH METHODS [WITH CD]. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
芝加哥风格引文COOPER DONALD R. BUSINESS RESEARCH METHODS [WITH CD]. NEW DEHLI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2009.
MLA引文COOPER DONALD R. BUSINESS RESEARCH METHODS [WITH CD]. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2009.
警告：这些引文格式不一定是100％准确.