Gaya APA
Learn Office 2000. (2000).
New York:
Prentice-Hall.
Gaya Chicago
Learn Office 2000.
.
New York:
Prentice-Hall,
2000.
.
Gaya MLA
Learn Office 2000.
.
New York:
Prentice-Hall,
2000.
.
Gaya Turabian
Learn Office 2000.
New York:
Prentice-Hall,
2000.
.