APA-referens (7:e uppl.)

Otung, I. (2001). Communication engineering principles. Palgrave.

Chicago-referens (17:e uppl.)

Otung, Ifiok. Communication Engineering Principles. Basingstoke: Palgrave, 2001.

MLA-referens (8:e uppl.)

Otung, Ifiok. Communication Engineering Principles. Palgrave, 2001.