Gaya APA
First steps to communicating in english. (2005).
tempaterbit:
penerbit.
Gaya Chicago
First steps to communicating in english.
Edisi.
tempaterbit:
penerbit,
2005.
Text.
Gaya MLA
First steps to communicating in english.
Edisi.
tempaterbit:
penerbit,
2005.
Text.
Gaya Turabian
First steps to communicating in english.
tempaterbit:
penerbit,
2005.
Print.