Gaya APA
dkk, L, N, N., Wijiastuti, W.
(2016).
Let's Study Hard
.
Bandung:
Muffin Graphics.
Gaya MLA
dkk, Lulu, Nabiha, Nurilailati,., Wijiastuti, Wiwit.
"Let's Study Hard".
Bandung:
Muffin Graphics,
2016.
Text.