Cita APA (7th ed.)

HARVARD BUSINESS REVIEW. (1991). SHARPENING THE MARKETING EDGE. HBR LIBRARY.

Cita Chicago (17th ed.)

HARVARD BUSINESS REVIEW. SHARPENING THE MARKETING EDGE. AMI MUMBAI: HBR LIBRARY, 1991.

Cita MLA (9th ed.)

HARVARD BUSINESS REVIEW. SHARPENING THE MARKETING EDGE. HBR LIBRARY, 1991.