APA (7th ed.) Citation

Verma & Saltzberg. (1990). ISDN systems: Architecture, technology, and applications. Prentice Hall.

Chicago Style (17th ed.) Citation

Verma and Saltzberg. ISDN Systems: Architecture, Technology, and Applications. New Jersey: Prentice Hall, 1990.

MLA (9th ed.) Citation

Verma and Saltzberg. ISDN Systems: Architecture, Technology, and Applications. Prentice Hall, 1990.

Warning: These citations may not always be 100% accurate.