APA Style
Harrison, Mark, Whitehead, Russell. (2006).
IELTS Practice Tests .
Italia:
Thomson.
Chicago Style
Harrison, Mark, Whitehead, Russell.
IELTS Practice Tests.
Italia:
Thomson,
2006.
Text.
MLA Style
Harrison, Mark, Whitehead, Russell.
IELTS Practice Tests.
Italia:
Thomson,
2006.
Text.
Turabian Style
Harrison, Mark, Whitehead, Russell.
IELTS Practice Tests.
Italia:
Thomson,
2006.
Print.