Gaya APA
Thornbury, Scott. (2011).
How teach speaking .
New York:
Pearson Longman Asia ELT.
Gaya Chicago
Thornbury, Scott.
How teach speaking.
New York:
Pearson Longman Asia ELT,
2011.
Text.
Gaya MLA
Thornbury, Scott.
How teach speaking.
New York:
Pearson Longman Asia ELT,
2011.
Text.
Gaya Turabian
Thornbury, Scott.
How teach speaking.
New York:
Pearson Longman Asia ELT,
2011.
Print.