Housley, T. (1987). Data communications and teleprocessing systems (2a. ed.). Prentice-Hall.
Chicago Style (17th ed.) ZitazioaHousley, Trevor. Data Communications and Teleprocessing Systems. 2a. ed. Englewood Cliffs: Prentice-Hall, 1987.
MLA (9th ed.) ZitazioaHousley, Trevor. Data Communications and Teleprocessing Systems. 2a. ed. Prentice-Hall, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.