Gaya APA
Center, I, R. (2017).
IELTS Killer : Cara Pasti Mendapat Skor IELTS 7.0 (1).
Yogyakarta:
Inspira Publishing.
Gaya MLA
Center, Inspire, Research.
"IELTS Killer : Cara Pasti Mendapat Skor IELTS 7.0".
1
Yogyakarta:
Inspira Publishing,
2017.
Text.