Gaya APA
RICHARDS, JACK C. (2013).
[CD] INTERCHANGE LEVEL 2 (4).
England:
CAMBRIDGE.
Gaya Chicago
RICHARDS, JACK C.
[CD] INTERCHANGE LEVEL 2.
4
England:
CAMBRIDGE,
2013.
CD-ROM.
Gaya MLA
RICHARDS, JACK C.
[CD] INTERCHANGE LEVEL 2.
4
England:
CAMBRIDGE,
2013.
CD-ROM.
Gaya Turabian
RICHARDS, JACK C.
[CD] INTERCHANGE LEVEL 2.
4
England:
CAMBRIDGE,
2013.
CD-ROM.