Richardson, L. (2003). The sales success handbook: 20 lessons to open and close sales now. McGraw-Hill.
シカゴスタイル引用形Richardson, Linda. The Sales Success Handbook: 20 Lessons to Open and Close Sales Now. McGraw-Hill, 2003.
MLA引用形式Richardson, Linda. The Sales Success Handbook: 20 Lessons to Open and Close Sales Now. McGraw-Hill, 2003.
警告: この引用は必ずしも正確ではありません.