APA Style
Duckworth, Michael. (2008).
2 CD : Business Result Upper-Intermediate CDs .
:
Oxford.
Chicago Style
Duckworth, Michael.
2 CD : Business Result Upper-Intermediate CDs.
:
Oxford,
2008.
.
MLA Style
Duckworth, Michael.
2 CD : Business Result Upper-Intermediate CDs.
:
Oxford,
2008.
.
Turabian Style
Duckworth, Michael.
2 CD : Business Result Upper-Intermediate CDs.
:
Oxford,
2008.
.