Gaya APA
Inspira, C.
(2016).
Ielts Killer: Cara pasti Mendapat Skor 7.0
.
Yogyakarta:
Inspira Publishing.
Gaya MLA
Inspira, CenterResearch.
"Ielts Killer: Cara pasti Mendapat Skor 7.0".
Yogyakarta:
Inspira Publishing,
2016.
Text.