Gaya APA
Cahyanti, A.
(2017).
10 Ways to Stay Positive
(
cet. 1)
.
Yogyakarta:
Cemerlang Publishing.
Gaya MLA
Cahyanti, Alviana.
"10 Ways to Stay Positive".
cet. 1
Yogyakarta:
Cemerlang Publishing,
2017.
Text.