APA Style
Stephenson, Helen. (2013).
Life : Intermediate + CD .
United Kingdom:
National Geographic Learning.
Chicago Style
Stephenson, Helen.
Life : Intermediate + CD.
United Kingdom:
National Geographic Learning,
2013.
.
MLA Style
Stephenson, Helen.
Life : Intermediate + CD.
United Kingdom:
National Geographic Learning,
2013.
.
Turabian Style
Stephenson, Helen.
Life : Intermediate + CD.
United Kingdom:
National Geographic Learning,
2013.
.