Throckmorton, J. (1986). Winning direct response advertising: How to recognize it, evaluate it, inspire it, create it. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Throckmorton, Joan. Winning Direct Response Advertising: How to Recognize It, Evaluate It, Inspire It, Create It. Englewood Cliffs, N.J: Prentice-Hall, 1986.
Lua MLA (9ú heag.)Throckmorton, Joan. Winning Direct Response Advertising: How to Recognize It, Evaluate It, Inspire It, Create It. Prentice-Hall, 1986.
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