Gaya APA
Riyanto, S., Suryani, L. (2024).
The complete book of the IELTS Preparation : panduan persiapan tes IELTS (Ed. 1, Cet. 1).
Yogyakarta:
Andi.
Gaya MLA
Riyanto, Slamet., Suryani, Laila.
"The complete book of the IELTS Preparation : panduan persiapan tes IELTS".
Ed. 1, Cet. 1
Yogyakarta:
Andi,
2024.
Text.