Lavin, H. (1980). How to get-and keep!-good industrial customers through effective direct mail: A guidebook for small manufacturers, distributors, and independent representatives. Exposition Press.
芝加哥风格引文Lavin, Henry. How to Get-and Keep!-good Industrial Customers Through Effective Direct Mail: A Guidebook for Small Manufacturers, Distributors, and Independent Representatives. Smithtown, N.Y: Exposition Press, 1980.
MLA引文Lavin, Henry. How to Get-and Keep!-good Industrial Customers Through Effective Direct Mail: A Guidebook for Small Manufacturers, Distributors, and Independent Representatives. Exposition Press, 1980.
警告：这些引文格式不一定是100％准确.