Enis, B. M. (1977). Marketing principles: The management process. California: Goodyear Publishing Company, Inc.
シカゴスタイル引用形Enis, Ben M. Marketing Principles: The Management Process. California: Goodyear Publishing Company, Inc, 1977.
MLA引用形式Enis, Ben M. Marketing Principles: The Management Process. California: Goodyear Publishing Company, Inc, 1977.
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