HARVARD BUSINESS REVIEW. (1991). SHARPENING THE MARKETING EDGE. HBR LIBRARY.
Chicagoスタイル(17版)引用形式HARVARD BUSINESS REVIEW. SHARPENING THE MARKETING EDGE. AMI MUMBAI: HBR LIBRARY, 1991.
MLA(9版)引用形式HARVARD BUSINESS REVIEW. SHARPENING THE MARKETING EDGE. HBR LIBRARY, 1991.
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