Penggayaan APA
Collins. (2003).
Carrier grade Voice over IP (2).
Singapore:
Mc Graw Hill.
Chicago Style
Collins.
Carrier grade Voice over IP.
2
Singapore:
Mc Graw Hill,
2003.
Text.
MLA Style
Collins.
Carrier grade Voice over IP.
2
Singapore:
Mc Graw Hill,
2003.
Text.
Turabian Style
Collins.
Carrier grade Voice over IP.
2
Singapore:
Mc Graw Hill,
2003.
Print.