APA

Halsall (Fred), . (2000). "Data Communications, Computer Networks And Open Systems". : .

Chicago

Halsall (Fred), . 2000. "Data Communications, Computer Networks And Open Systems". : .

Harvard

Halsall (Fred), . (2000). "Data Communications, Computer Networks And Open Systems". : .

MLA

Halsall (Fred), . "Data Communications, Computer Networks And Open Systems". : . 2000.