APA (7th ed.) Citation

Roberts Mary Lou & Berger Paul D. (1989). Direct marketing management. Prentice Hall.

Chicago Style (17th ed.) Citation

Roberts Mary Lou and Berger Paul D. Direct Marketing Management. Prentice Hall, 1989.

MLA (8th ed.) Citation

Roberts Mary Lou and Berger Paul D. Direct Marketing Management. Prentice Hall, 1989.

Warning: These citations may not always be 100% accurate.