Gaya APA

O'Brien, J, A. (1979). COMPUTERS IN BUSINESS MANAGEMENT: AN INTRODUCTION REVISED EDITION (Edisi Revisi). USA: Richard D. Irwin.

Gaya MLA

O'Brien, James, A.. "COMPUTERS IN BUSINESS MANAGEMENT: AN INTRODUCTION REVISED EDITION". Edisi Revisi USA: Richard D. Irwin, 1979. Text.