APA (7th ed.) Citation

Kobs, J. (1979). Profitable direct marketing: How to start, improve, or expand any direct marketing operation ... plus 11 detailed case studies of prominent direct marketing companies. NTC Business Books.

Chicago Style (17th ed.) Citation

Kobs, Jim. Profitable Direct Marketing: How to Start, Improve, or Expand Any Direct Marketing Operation ... Plus 11 Detailed Case Studies of Prominent Direct Marketing Companies. Chicago, Ill: NTC Business Books, 1979.

MLA (9th ed.) Citation

Kobs, Jim. Profitable Direct Marketing: How to Start, Improve, or Expand Any Direct Marketing Operation ... Plus 11 Detailed Case Studies of Prominent Direct Marketing Companies. NTC Business Books, 1979.