APA

Hughes (Larry), . (1999). Introduction To Data Communicationsa Practical Approach. : .

Chicago

Hughes (Larry), . 1999. Introduction To Data Communicationsa Practical Approach. : .

Harvard

Hughes (Larry), . (1999). Introduction To Data Communicationsa Practical Approach. : .

MLA

Hughes (Larry), . Introduction To Data Communicationsa Practical Approach. : . 1999.