APA Style
Beaumont, J. (2006).
Northstar, Building Skills for the TOEFL iBT Intermediate [CD AUDIO] .
:
Pearson Education, Inc, New York. 2006.
MLA Style
Beaumont, John.
"Northstar, Building Skills for the TOEFL iBT Intermediate [CD AUDIO]".
:
Pearson Education, Inc, New York. 2006,
2006.
CD-AUDIO.