Greenberg, P. (2010). CRM At the Speed of Light (4th.). TMH.
Chicagoスタイル(17版)引用形式Greenberg, Paul. CRM At the Speed of Light. 4th. TMH, 2010.
MLA(9版)引用形式Greenberg, Paul. CRM At the Speed of Light. 4th. TMH, 2010.
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APA(7版)引用形式