Johnston, M. W., & Marshall, G. W. (2008). Relationship selling. Boston: McGraw-Hill/Irwin.
シカゴスタイル引用形Johnston, Mark W., and Greg W. Marshall. Relationship Selling. Boston: McGraw-Hill/Irwin, 2008.
MLA引用形式Johnston, Mark W., and Greg W. Marshall. Relationship Selling. Boston: McGraw-Hill/Irwin, 2008.
警告: この引用は必ずしも正確ではありません.