APA Style
LOUGHEED, Lin. (2016).
IELTS (International English Language Testing System) (Edisi ke- 4).
New York:
.
Chicago Style
LOUGHEED, Lin.
IELTS (International English Language Testing System).
Edisi ke- 4
New York:
,
2016.
Text.
MLA Style
LOUGHEED, Lin.
IELTS (International English Language Testing System).
Edisi ke- 4
New York:
,
2016.
Text.
Turabian Style
LOUGHEED, Lin.
IELTS (International English Language Testing System).
Edisi ke- 4
New York:
,
2016.
Print.