HARVARD BUSINESS REVIEW. (1974). MARKETING PLANNING & STRATEGY: PART. VI. HARVARD BUSINESS REVIEW.
Chicago Style aipamenaHARVARD BUSINESS REVIEW. MARKETING PLANNING & STRATEGY: PART. VI. BOSTON: HARVARD BUSINESS REVIEW, 1974.
MLA aipamenaHARVARD BUSINESS REVIEW. MARKETING PLANNING & STRATEGY: PART. VI. HARVARD BUSINESS REVIEW, 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.