Gaya APA
Safire, William. (1987).
Freedom .
New York:
Doubleday.
Gaya Chicago
Safire, William.
Freedom.
New York:
Doubleday,
1987.
Text.
Gaya MLA
Safire, William.
Freedom.
New York:
Doubleday,
1987.
Text.
Gaya Turabian
Safire, William.
Freedom.
New York:
Doubleday,
1987.
Print.