DUFFY PHILIP G. (1994). BUSINESS TO BUSINESS MARKETING. VISION BOOKS PVT. LTD.
Chicagoスタイル(17版)引用形式DUFFY PHILIP G. BUSINESS TO BUSINESS MARKETING. NEW DELHI: VISION BOOKS PVT. LTD, 1994.
MLA(9版)引用形式DUFFY PHILIP G. BUSINESS TO BUSINESS MARKETING. VISION BOOKS PVT. LTD, 1994.
警告: この引用は必ずしも正確ではありません.