Gaya APA
GRALLA, PRESTON. (2001).
HOW THE INTERNET WORKS (SIXTH EDITION).
AMERICA:
BOSTON.
Gaya Chicago
GRALLA, PRESTON.
HOW THE INTERNET WORKS.
SIXTH EDITION
AMERICA:
BOSTON,
2001.
Text.
Gaya MLA
GRALLA, PRESTON.
HOW THE INTERNET WORKS.
SIXTH EDITION
AMERICA:
BOSTON,
2001.
Text.
Gaya Turabian
GRALLA, PRESTON.
HOW THE INTERNET WORKS.
SIXTH EDITION
AMERICA:
BOSTON,
2001.
Print.