Cita APA (7th ed.)

Szymanski, R. A. (1991). Introduction to computers and information systems with hands-on software tutorials. Macmillan.

Cita Chicago (17th ed.)

Szymanski, Robert A. Introduction to Computers and Information Systems with Hands-on Software Tutorials. New York: Macmillan, 1991.

Cita MLA (9th ed.)

Szymanski, Robert A. Introduction to Computers and Information Systems with Hands-on Software Tutorials. Macmillan, 1991.