Bird, D. (1990). Praxis-Handbuch Direktmarketing. Verl. Moderne Industrie.
Chicago Style (17th ed.) CitationBird, Drayton. Praxis-Handbuch Direktmarketing. Landsberg/Lech: Verl. Moderne Industrie, 1990.
MLA (9th ed.) CitationBird, Drayton. Praxis-Handbuch Direktmarketing. Verl. Moderne Industrie, 1990.
Warning: These citations may not always be 100% accurate.