APA Style
Riyanto, S., Suryani, L.
(2021).
The Complete Book Of The IELTS Praparation
(
edisi 1)
.
Yogyakarta:
ANDI.
MLA Style
Riyanto, Slamet., Suryani, Laila.
"The Complete Book Of The IELTS Praparation".
edisi 1
Yogyakarta:
ANDI,
2021.
Text.