Gaya APA
Lougheed, Lin. ().
Barron's IELTS International English Language Testing System .
Jakarta:
Binarupa Aksara..
Gaya Chicago
Lougheed, Lin.
Barron's IELTS International English Language Testing System.
Jakarta:
Binarupa Aksara.,
.
Text.
Gaya MLA
Lougheed, Lin.
Barron's IELTS International English Language Testing System.
Jakarta:
Binarupa Aksara.,
.
Text.
Gaya Turabian
Lougheed, Lin.
Barron's IELTS International English Language Testing System.
Jakarta:
Binarupa Aksara.,
.
Print.