Cita APA (7th ed.)

O'Brien, J. A. (1979). Computers in business management: An introduction (Rev. ed.). R. D. Irwin.

Cita Chicago (17th ed.)

O'Brien, James A. Computers in Business Management: An Introduction. Rev. ed. Homewood, Ill: R. D. Irwin, 1979.

Cita MLA (9th ed.)

O'Brien, James A. Computers in Business Management: An Introduction. Rev. ed. R. D. Irwin, 1979.