Cita APA (7a ed.)

Brown, H. E., & Buskirk, B. (1988). Readings and cases in direct marketing. NTC Business Books.

Cita Chicago Style (17a ed.)

Brown, Herbert E., y Bruce Buskirk. Readings and Cases in Direct Marketing. Lincolnwood: NTC Business Books, 1988.

Cita MLA (9a ed.)

Brown, Herbert E., y Bruce Buskirk. Readings and Cases in Direct Marketing. NTC Business Books, 1988.