APA Style

ROBERTS, Mary Lou, BERGER, Paul D.. (1989). Direct Marketing Management (2nd ed.). NEW JERSEY: Prentice Hall.

Chicago Style

ROBERTS, Mary Lou, BERGER, Paul D.. Direct Marketing Management. 2nd ed. NEW JERSEY: Prentice Hall, 1989. Teks Book.

MLA Style

ROBERTS, Mary Lou, BERGER, Paul D.. Direct Marketing Management. 2nd ed. NEW JERSEY: Prentice Hall, 1989. Teks Book.

Turabian Style

ROBERTS, Mary Lou, BERGER, Paul D.. Direct Marketing Management. 2nd ed. NEW JERSEY: Prentice Hall, 1989. Teks Book.