Cita APA (7th ed.)

Martin, E. W. J., & Perkins, W. C. (1973). Computers and information systems: An introduction. Richard D. Irwin, Inc.

Cita Chicago (17th ed.)

Martin, E. Wainright Jr, i William C. Perkins. Computers and Information Systems: An Introduction. Homewood, Illiois: Richard D. Irwin, Inc, 1973.

Cita MLA (9th ed.)

Martin, E. Wainright Jr, i William C. Perkins. Computers and Information Systems: An Introduction. Richard D. Irwin, Inc, 1973.