Cypser, R. J. (1991). Communications for cooperating systems: OSI, SNA, and TCP/IP. Addison-Wesley.
Cita Chicago (17th ed.)Cypser, R. J. Communications for Cooperating Systems: OSI, SNA, and TCP/IP. Reading, Mass: Addison-Wesley, 1991.
Cita MLA (9th ed.)Cypser, R. J. Communications for Cooperating Systems: OSI, SNA, and TCP/IP. Addison-Wesley, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.