Cooper, D. R. (2001). Business research methods. McGraw-Hill/Irwin.
Chicagoスタイル(17版)引用形式Cooper, Donald R. Business Research Methods. Boston: McGraw-Hill/Irwin, 2001.
MLA(9版)引用形式Cooper, Donald R. Business Research Methods. McGraw-Hill/Irwin, 2001.
警告: この引用は必ずしも正確ではありません.