Brann, C. (1984). Cost-effective direct marketing: By mail, telephone and direct response advertising. Collector's Books.
Chicago-Zitierstil (17. Ausg.)Brann, Christian. Cost-effective Direct Marketing: By Mail, Telephone and Direct Response Advertising. Cirencester: Collector's Books, 1984.
MLA-Zitierstil (9. Ausg.)Brann, Christian. Cost-effective Direct Marketing: By Mail, Telephone and Direct Response Advertising. Collector's Books, 1984.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.