Gaya APA
Dictionary of Telecommunications. (1991).
London:
Penguin Books.
Gaya Chicago
Dictionary of Telecommunications.
.
London:
Penguin Books,
1991.
Buku.
Gaya MLA
Dictionary of Telecommunications.
.
London:
Penguin Books,
1991.
Buku.
Gaya Turabian
Dictionary of Telecommunications.
London:
Penguin Books,
1991.
Buku.