Gaya APA
Musman, A., Adamson, H.
(2022).
The secret of positive thinking
(
cet. 1)
.
Yogyakarta:
Psikologi Corner.
Gaya MLA
Musman, Asti., Adamson, Herman.
"The secret of positive thinking".
cet. 1
Yogyakarta:
Psikologi Corner,
2022.
UMUM.