STALLINGS , W. (1993). LOCAL METROPOLITAN AREA NETWORK. MAC MILLAN.
Lua i Stíl Chicago (17ú heag.)STALLINGS , W. LOCAL METROPOLITAN AREA NETWORK. NEW YORK: MAC MILLAN, 1993.
Lua MLA (9ú heag.)STALLINGS , W. LOCAL METROPOLITAN AREA NETWORK. MAC MILLAN, 1993.
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