(1994). The complete cyberspace reference and directory: An addressing and utilization guide to the Internet, electronic mail systems, and bulletin board systems / Gilbert Held.
Citação norma ChicagoThe Complete Cyberspace Reference and Directory: An Addressing and Utilization Guide to the Internet, Electronic Mail Systems, and Bulletin Board Systems / Gilbert Held. 1994.
Citação norma MLAThe Complete Cyberspace Reference and Directory: An Addressing and Utilization Guide to the Internet, Electronic Mail Systems, and Bulletin Board Systems / Gilbert Held. 1994.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.