Gaya APA
Badger, I, -, A.
(2012).
Listening: B1 + Intermediate
(
Cetakan Pertama: 2012)
.
London:
HarperCollins Publisher.
Gaya MLA
Badger, Ian, -, A.
"Listening: B1 + Intermediate".
Cetakan Pertama: 2012
London:
HarperCollins Publisher,
2012.
Text.