Reitman, J. I. (1998). Beyond 2000 The Future Of Direct Marketing Masa Depan Direct Marketing Jerry I. Reitman. Gramedia.
Chicagoスタイル(17版)引用形式Reitman, Jerry I. Beyond 2000 The Future Of Direct Marketing Masa Depan Direct Marketing Jerry I. Reitman. Gramedia, 1998.
MLA(8版)引用形式Reitman, Jerry I. Beyond 2000 The Future Of Direct Marketing Masa Depan Direct Marketing Jerry I. Reitman. Gramedia, 1998.
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