McDonald, W. J. (1998). Direct Marketing: An integrated approach. Irwin McGraw hill.
Chicago Edition CitationMcDonald, William J. Direct Marketing: An Integrated Approach. New York: Irwin McGraw hill, 1998.
MLA引文McDonald, William J. Direct Marketing: An Integrated Approach. Irwin McGraw hill, 1998.
警告：這些引文格式不一定是100％准確.