HARVARD BUSINESS REVIEW. (1980). ADVERTISING BETTER PLANNING, BETTER RESULTS. HARVARD BUSINESS REVIEW.
Chicago-viite (17. p.)HARVARD BUSINESS REVIEW. ADVERTISING BETTER PLANNING, BETTER RESULTS. BOSTON: HARVARD BUSINESS REVIEW, 1980.
MLA-viite (9. p.)HARVARD BUSINESS REVIEW. ADVERTISING BETTER PLANNING, BETTER RESULTS. HARVARD BUSINESS REVIEW, 1980.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.