Gaya APA
MANSUR, W., Oktavia, W.
(2017).
BE CALM BE STRONG BE GRATEFUL
.
JAKARTA:
KATADEPAN.
Gaya MLA
MANSUR, WIRDA., Oktavia, Widyawati.
"BE CALM BE STRONG BE GRATEFUL".
JAKARTA:
KATADEPAN,
2017.
Text.