Gaya APA
RICHARDS, JACK C. (2014).
INTERCHANGE LEVEL 3 .
CAMBRIDGE:
CAMBRIDGE.
Gaya Chicago
RICHARDS, JACK C.
INTERCHANGE LEVEL 3.
CAMBRIDGE:
CAMBRIDGE,
2014.
Text.
Gaya MLA
RICHARDS, JACK C.
INTERCHANGE LEVEL 3.
CAMBRIDGE:
CAMBRIDGE,
2014.
Text.
Gaya Turabian
RICHARDS, JACK C.
INTERCHANGE LEVEL 3.
CAMBRIDGE:
CAMBRIDGE,
2014.
Print.