Kelley, E. J. (1972). Marketing planning and competitve strategy. Prentice Hall, Inc.
シカゴスタイル引用形Kelley, Eugene J. Marketing Planning and Competitve Strategy. New Jersey: Prentice Hall, Inc, 1972.
MLA引用形式Kelley, Eugene J. Marketing Planning and Competitve Strategy. Prentice Hall, Inc, 1972.
警告: この引用は必ずしも正確ではありません.