Bertsekas, D. P., & Gallager, R. G. (1992). Data networks (2nd ed.). Prentice Hall ; Prentice Hall.

Bertsekas, Dimitri P., and Robert G. Gallager. Data Networks. 2nd ed. Englewood Cliffs, N.J. : New Delhi: Prentice Hall ; Prentice Hall, 1992.

Bertsekas, Dimitri P., and Robert G. Gallager. Data Networks. 2nd ed. Prentice Hall ; Prentice Hall, 1992.