Gaya APA
Learning Speking English. (2010).
Bandung:
Tri Jaya.
Gaya Chicago
Learning Speking English.
.
Bandung:
Tri Jaya,
2010.
Text.
Gaya MLA
Learning Speking English.
.
Bandung:
Tri Jaya,
2010.
Text.
Gaya Turabian
Learning Speking English.
Bandung:
Tri Jaya,
2010.
Print.