Cita APA (7a ed.)
MacPherson, K. (2001). Permission-based E-mail marketing that works! Dearborn Trade.
Cita Chicago Style (17a ed.)
MacPherson, Kim. Permission-based E-mail Marketing That Works! Chicago, IL: Dearborn Trade, 2001.
Cita MLA (9a ed.)
MacPherson, Kim. Permission-based E-mail Marketing That Works! Dearborn Trade, 2001.
Precaución: Estas citas no son 100% exactas.