Gaya APA
Thornbury, Scott. (2001).
How To Teach Speaking (Pertama).
London:
Longman.
Gaya Chicago
Thornbury, Scott.
How To Teach Speaking.
Pertama
London:
Longman,
2001.
Text.
Gaya MLA
Thornbury, Scott.
How To Teach Speaking.
Pertama
London:
Longman,
2001.
Text.
Gaya Turabian
Thornbury, Scott.
How To Teach Speaking.
Pertama
London:
Longman,
2001.
Print.