Gaya APA
Let's speak english. (2010).
Bandung:
Pustaka Setia.
Gaya Chicago
Let's speak english.
.
Bandung:
Pustaka Setia,
2010.
Text.
Gaya MLA
Let's speak english.
.
Bandung:
Pustaka Setia,
2010.
Text.
Gaya Turabian
Let's speak english.
Bandung:
Pustaka Setia,
2010.
Print.