Cita APA (7th ed.)

Black, U. D. (1997). ISDN & SS7: Architectures for digital signaling networks. Prentice Hall.

Cita Chicago (17th ed.)

Black, Uyless D. ISDN & SS7: Architectures for Digital Signaling Networks. Upper Saddle River, N.J.: Prentice Hall, 1997.

Cita MLA (8th ed.)

Black, Uyless D. ISDN & SS7: Architectures for Digital Signaling Networks. Prentice Hall, 1997.