FITZGERALD JERRY. (1993). BUSINESS DATA COMMUNICATIONS: BASIC CONCEPTS,SECURITY AND DESIGN (4.). JOHN WILEY AND SONS.
Chicago-referens (17:e uppl.)FITZGERALD JERRY. BUSINESS DATA COMMUNICATIONS: BASIC CONCEPTS,SECURITY AND DESIGN. 4. NEW YORK: JOHN WILEY AND SONS, 1993.
MLA-referens (9:e uppl.)FITZGERALD JERRY. BUSINESS DATA COMMUNICATIONS: BASIC CONCEPTS,SECURITY AND DESIGN. 4. JOHN WILEY AND SONS, 1993.
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