(1989). Direct Marketing Management / Mary Lou Roberts, Paul D. Berger. Prentice-Hall.
Chicago Style (17th ed.) CitationDirect Marketing Management / Mary Lou Roberts, Paul D. Berger. Prentice-Hall, 1989.
MLA (8th ed.) CitationDirect Marketing Management / Mary Lou Roberts, Paul D. Berger. Prentice-Hall, 1989.
Warning: These citations may not always be 100% accurate.