Schaffir, K. H., & George, T. H. (1973). Marketing information systems. American management association.
シカゴスタイル引用形Schaffir, Kurt H., , Trentin H. George. Marketing Information Systems. USA: American management association, 1973.
MLA引用形式Schaffir, Kurt H., , Trentin H. George. Marketing Information Systems. American management association, 1973.
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