Gaya APA
Lougheed, Lin. ([s.a]).
IELTS: International English Language Testing System (Ed.2).
Tangerang Selatan:
Binarupa Aksara Publisher.
Gaya Chicago
Lougheed, Lin.
IELTS: International English Language Testing System.
Ed.2
Tangerang Selatan:
Binarupa Aksara Publisher,
[s.a].
Teks.
Gaya MLA
Lougheed, Lin.
IELTS: International English Language Testing System.
Ed.2
Tangerang Selatan:
Binarupa Aksara Publisher,
[s.a].
Teks.
Gaya Turabian
Lougheed, Lin.
IELTS: International English Language Testing System.
Ed.2
Tangerang Selatan:
Binarupa Aksara Publisher,
[s.a].
Teks.