Gaya APA
dkk., N, D.
(2019).
Positive Thinking
(
Cat)
.
Solo:
PT.Tiga Serangkai Pustaka Mandiri.
Gaya MLA
dkk., Najwa, Dzahin.
"Positive Thinking".
Cat
Solo:
PT.Tiga Serangkai Pustaka Mandiri,
2019.
Text.