Gaya APA
Interactions Access Listening/Speaking. (2003).
New York:
Mc. Graw Hill.
Gaya Chicago
Interactions Access Listening/Speaking.
.
New York:
Mc. Graw Hill,
2003.
Buku.
Gaya MLA
Interactions Access Listening/Speaking.
.
New York:
Mc. Graw Hill,
2003.
Buku.
Gaya Turabian
Interactions Access Listening/Speaking.
New York:
Mc. Graw Hill,
2003.
Buku.