APA Style
FIRTH, M. (2014).
Unlock Listening & Speaking Skills Teacher's Book 3 (B1 English profile) with DVD .
London:
Cambridge University Press U.K.
MLA Style
FIRTH, Matt.
"Unlock Listening & Speaking Skills Teacher's Book 3 (B1 English profile) with DVD".
London:
Cambridge University Press U.K,
2014.
Text.