Gaya APA
English For Communication. (1999).
Hoboken, NJ:
Wiley.
Gaya Chicago
English For Communication.
Cet-1.
Hoboken, NJ:
Wiley,
1999.
Text.
Gaya MLA
English For Communication.
Cet-1.
Hoboken, NJ:
Wiley,
1999.
Text.
Gaya Turabian
English For Communication.
Hoboken, NJ:
Wiley,
1999.
Print.