Cooper, D. R. (2006). Marketing research. New York: McGraw-Hill/Irwin.
Trích dẫn kiểu ChicagoCooper, Donald R. Marketing Research. New York: McGraw-Hill/Irwin, 2006.
MLA引文Cooper, Donald R. Marketing Research. New York: McGraw-Hill/Irwin, 2006.
警告:這些引文格式不一定是100%准確.