Ries, A. (1989). Bottom-up Marketing Al Ries, Jack Trout. McGraw-Hill.
Chicagoスタイル(17版)引用形式Ries, Al. Bottom-up Marketing Al Ries, Jack Trout. McGraw-Hill, 1989.
MLA(8版)引用形式Ries, Al. Bottom-up Marketing Al Ries, Jack Trout. McGraw-Hill, 1989.
警告: この引用は必ずしも正確ではありません.