Lua APA (7ú heag.)

Reitman, J. I. (1998). Beyond 2000 The Future Of Direct Marketing Masa Depan Direct Marketing Jerry I. Reitman. Gramedia.

Lua i Stíl Chicago (17ú heag.)

Reitman, Jerry I. Beyond 2000 The Future Of Direct Marketing Masa Depan Direct Marketing Jerry I. Reitman. Gramedia, 1998.

Lua MLA (8ú heag.)

Reitman, Jerry I. Beyond 2000 The Future Of Direct Marketing Masa Depan Direct Marketing Jerry I. Reitman. Gramedia, 1998.

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