Gaya APA

FitzGerald, J., Dennis, A. (1999). Business DAta Communications and Networking 6th Ed (6th Ed). United Stated of America: John Wiley & Sons.

Gaya MLA

FitzGerald, Jerry., Dennis, Alan. "Business DAta Communications and Networking 6th Ed". 6th Ed United Stated of America: John Wiley & Sons, 1999. Text.