Kobs, J. (1974). 24 ways to improve your direct mail results. Dartnell.
Chicago Style (17th ed.) CitationKobs, Jim. 24 Ways to Improve Your Direct Mail Results. Chicago: Dartnell, 1974.
MLA (9th ed.) CitationKobs, Jim. 24 Ways to Improve Your Direct Mail Results. Dartnell, 1974.
Warning: These citations may not always be 100% accurate.