APA Style
Active Listening 2nd Ed. Self-Study Audio CDs Level 2. (2007).
:
Cambridge University Press.
Chicago Style
Active Listening 2nd Ed. Self-Study Audio CDs Level 2.
2nd Ed..
:
Cambridge University Press,
2007.
CD-ROM.
MLA Style
Active Listening 2nd Ed. Self-Study Audio CDs Level 2.
2nd Ed..
:
Cambridge University Press,
2007.
CD-ROM.
Turabian Style
Active Listening 2nd Ed. Self-Study Audio CDs Level 2.
:
Cambridge University Press,
2007.
CD-ROM.