APA-čujuhus (7. p.)
MacPherson, K. (2001). Permission-based E-mail marketing that works! Dearborn Trade.
Chicago-čujuhus (17. p.)
MacPherson, Kim. Permission-based E-mail Marketing That Works! Chicago, IL: Dearborn Trade, 2001.
MLA-čujuhus (9. p.)
MacPherson, Kim. Permission-based E-mail Marketing That Works! Dearborn Trade, 2001.
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