Gaya APA
Langan, John. (1991).
English Skills With Readings (Ed. 2).
New York:
McGraw-Hill.
Gaya Chicago
Langan, John.
English Skills With Readings.
Ed. 2
New York:
McGraw-Hill,
1991.
Text.
Gaya MLA
Langan, John.
English Skills With Readings.
Ed. 2
New York:
McGraw-Hill,
1991.
Text.
Gaya Turabian
Langan, John.
English Skills With Readings.
Ed. 2
New York:
McGraw-Hill,
1991.
Print.