Gaya APA
Wijiastuti, W. (2016).
Let's Study Hard (Edisi II, Cetakan II, 2016).
Bandung:
Muffin Graphics( PT Mizan Pustaka).
Gaya MLA
Wijiastuti, Wiwit.
"Let's Study Hard".
Edisi II, Cetakan II, 2016
Bandung:
Muffin Graphics( PT Mizan Pustaka),
2016.
Book.