Gschwandtner, G. (2007). The psychology of sales success: Learn to think like your customer to close every sale. McGraw-Hill.
シカゴスタイル引用形Gschwandtner, Gerhard. The Psychology of Sales Success: Learn to Think Like Your Customer to Close Every Sale. McGraw-Hill, 2007.
MLA引用形式Gschwandtner, Gerhard. The Psychology of Sales Success: Learn to Think Like Your Customer to Close Every Sale. McGraw-Hill, 2007.
警告: この引用は必ずしも正確ではありません.