Gaya APA
Doff, A., BECKET, C.
(2005).
LISTENING STUDENT'S BOOK 2
.
Yogyakarta:
Cambridge University Press.
Gaya MLA
Doff, Adrian., BECKET, CAROLYN.
"LISTENING STUDENT'S BOOK 2".
Yogyakarta:
Cambridge University Press,
2005.
Text.