Cita APA (7th ed.)

Fitzgerald, J. (1990). Business data communications: Basic concepts, security, and design (3rd ed.). Wiley.

Cita Chicago (17th ed.)

Fitzgerald, Jerry. Business Data Communications: Basic Concepts, Security, and Design. 3rd ed. New York: Wiley, 1990.

Cita MLA (9th ed.)

Fitzgerald, Jerry. Business Data Communications: Basic Concepts, Security, and Design. 3rd ed. Wiley, 1990.