Gaya APA
Langan, John. (2006).
English Skills
(8).
New York:
McGraw-Hill.
Gaya Chicago
Langan, John.
English Skills
.
8
New York:
McGraw-Hill,
2006.
Text.
Gaya MLA
Langan, John.
English Skills
.
8
New York:
McGraw-Hill,
2006.
Text.
Gaya Turabian
Langan, John.
English Skills
.
8
New York:
McGraw-Hill,
2006.
Print.