H. Carr Houston, & A. Snyder Charles. (2006). Data Communications and Network Security (In lần thứ 1.). American: Mc Graw-Hill.
Chicago-tyylinen lähdeviittausH. Carr Houston, ja A. Snyder Charles. Data Communications and Network Security. In lần thứ 1. American: Mc Graw-Hill, 2006.
MLA-viiteH. Carr Houston, ja A. Snyder Charles. Data Communications and Network Security. In lần thứ 1. American: Mc Graw-Hill, 2006.
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