Gaya APA
Lougheed, Lin. (2010).
Barron's IELTS : International English Language Testing System .
:
Barrons Educational Series.
Gaya Chicago
Lougheed, Lin.
Barron's IELTS : International English Language Testing System.
:
Barrons Educational Series,
2010.
Text.
Gaya MLA
Lougheed, Lin.
Barron's IELTS : International English Language Testing System.
:
Barrons Educational Series,
2010.
Text.
Gaya Turabian
Lougheed, Lin.
Barron's IELTS : International English Language Testing System.
:
Barrons Educational Series,
2010.
Print.