APA-viite (7. p.)
Geller, L. K. (2002). Response: The complete guide to profitable direct marketing (Rev. and expanded.). Oxford University Press.
Chicago-viite (17. p.)
Geller, Lois K. Response: The Complete Guide to Profitable Direct Marketing. Rev. and expanded. New York: Oxford University Press, 2002.
MLA-viite (9. p.)
Geller, Lois K. Response: The Complete Guide to Profitable Direct Marketing. Rev. and expanded. Oxford University Press, 2002.
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