Gaya APA
Anwar, R.
(2019).
IELTS 7.0+: Skills And Strategies
.
Jakarta:
PT Gramedia Widiasarana Indonesia.
Gaya MLA
Anwar, Rosyid.
"IELTS 7.0+: Skills And Strategies".
Jakarta:
PT Gramedia Widiasarana Indonesia,
2019.
Text.