Gummesson, E. (1999). Total relationship marketing. Butterworth Heinemann.
シカゴスタイル引用形Gummesson, Evert. Total Relationship Marketing. Oxford: Butterworth Heinemann, 1999.
MLA引用形式Gummesson, Evert. Total Relationship Marketing. Butterworth Heinemann, 1999.
警告: この引用は必ずしも正確ではありません.