Gaya APA
Lougheed, Lin. ().
Barrons IELTS (International English Language Testing System) .
Pamulang:
Binarupa Aksara Publishing.
Gaya Chicago
Lougheed, Lin.
Barrons IELTS (International English Language Testing System).
Pamulang:
Binarupa Aksara Publishing,
.
Text.
Gaya MLA
Lougheed, Lin.
Barrons IELTS (International English Language Testing System).
Pamulang:
Binarupa Aksara Publishing,
.
Text.
Gaya Turabian
Lougheed, Lin.
Barrons IELTS (International English Language Testing System).
Pamulang:
Binarupa Aksara Publishing,
.
Print.