Cita APA (7th ed.)

Starr, T. J., Cioffi, J. M., & Silverman, P. (1999). Understanding digital subscriber line technology. Prentice-Hall PTR.

Cita Chicago (17th ed.)

Starr, Thomas J.J, John M. Cioffi, i Peter Silverman. Understanding Digital Subscriber Line Technology. Upper Saddle River, N.J: Prentice-Hall PTR, 1999.

Cita MLA (9th ed.)

Starr, Thomas J.J, et al. Understanding Digital Subscriber Line Technology. Prentice-Hall PTR, 1999.