Gaya APA
Practical English Language Teaching: Speaking. (2005).
Boston:
Mc Graw Hill.
Gaya Chicago
Practical English Language Teaching: Speaking.
.
Boston:
Mc Graw Hill,
2005.
Buku.
Gaya MLA
Practical English Language Teaching: Speaking.
.
Boston:
Mc Graw Hill,
2005.
Buku.
Gaya Turabian
Practical English Language Teaching: Speaking.
Boston:
Mc Graw Hill,
2005.
Buku.