Gaya APA
Thornbury, Scott. (2005).
How to teach speaking .
England:
Pearson Education Limited.
Gaya Chicago
Thornbury, Scott.
How to teach speaking.
England:
Pearson Education Limited,
2005.
Text.
Gaya MLA
Thornbury, Scott.
How to teach speaking.
England:
Pearson Education Limited,
2005.
Text.
Gaya Turabian
Thornbury, Scott.
How to teach speaking.
England:
Pearson Education Limited,
2005.
Print.