Gaya APA
Lewis, Geoff. (1997).
Communications technology handbook / Geoff Lewis .
New Delhi:
Focal Press.
Gaya Chicago
Lewis, Geoff.
Communications technology handbook / Geoff Lewis.
New Delhi:
Focal Press,
1997.
.
Gaya MLA
Lewis, Geoff.
Communications technology handbook / Geoff Lewis.
New Delhi:
Focal Press,
1997.
.
Gaya Turabian
Lewis, Geoff.
Communications technology handbook / Geoff Lewis.
New Delhi:
Focal Press,
1997.
.