Gaya APA
Project System Handbook. (2008).
New York:
Mc Graw Hill.
Gaya Chicago
Project System Handbook.
.
New York:
Mc Graw Hill,
2008.
Text.
Gaya MLA
Project System Handbook.
.
New York:
Mc Graw Hill,
2008.
Text.
Gaya Turabian
Project System Handbook.
New York:
Mc Graw Hill,
2008.
Print.