Comer, D. (2019). The Internet book: Everything you need to know about computer networking and how the Internet works (Fifth edition.). CRC Press, Taylor & Francis Group.

Comer, Douglas. The Internet Book: Everything You Need to Know About Computer Networking and How the Internet Works. Fifth edition. Boca Raton, FL: CRC Press, Taylor & Francis Group, 2019.

Comer, Douglas. The Internet Book: Everything You Need to Know About Computer Networking and How the Internet Works. Fifth edition. CRC Press, Taylor & Francis Group, 2019.