Cita APA (7th ed.)

Lee, R. E. (1997). The ISDN consultant: A stress-free guide to high-speed communication. Prentice Hall.

Cita Chicago (17th ed.)

Lee, Robert E. The ISDN Consultant: A Stress-free Guide to High-speed Communication. Upper Saddle River, N.J: Prentice Hall, 1997.

Cita MLA (9th ed.)

Lee, Robert E. The ISDN Consultant: A Stress-free Guide to High-speed Communication. Prentice Hall, 1997.