Kelley, E. J. (1972). Marketing planning and competitve strategy. Prentice Hall, Inc.
Chicago Edition CitationKelley, Eugene J. Marketing Planning and Competitve Strategy. New Jersey: Prentice Hall, Inc, 1972.
MLA引文Kelley, Eugene J. Marketing Planning and Competitve Strategy. Prentice Hall, Inc, 1972.
警告：这些引文格式不一定是100％准确.