Gaya APA
Doff, Andrian. (1999).
Listening .
Cambridge:
Cambridge University Press.
Gaya Chicago
Doff, Andrian.
Listening.
Cambridge:
Cambridge University Press,
1999.
.
Gaya MLA
Doff, Andrian.
Listening.
Cambridge:
Cambridge University Press,
1999.
.
Gaya Turabian
Doff, Andrian.
Listening.
Cambridge:
Cambridge University Press,
1999.
.