Gaya APA
Langan, John.. (1991).
English skills with readings / John Langan (2nd ed.).
:
McGraw-Hill.
Gaya Chicago
Langan, John..
English skills with readings / John Langan.
2nd ed.
:
McGraw-Hill,
1991.
Text.
Gaya MLA
Langan, John..
English skills with readings / John Langan.
2nd ed.
:
McGraw-Hill,
1991.
Text.
Gaya Turabian
Langan, John..
English skills with readings / John Langan.
2nd ed.
:
McGraw-Hill,
1991.
Print.