Nash, E. L. (1984). The direct marketing handbook. McGraw Hill.
Chicago Edition CitationNash, Edward L. The Direct Marketing Handbook. New York: McGraw Hill, 1984.
Deismireacht MLANash, Edward L. The Direct Marketing Handbook. McGraw Hill, 1984.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.