Gaya APA
Kusuma, R, C. et al
(2022).
The Power of Focus
(
edisi 1)
.
Yogyakarta:
Psikologi Corner.
Gaya MLA
Kusuma, Rifian, Candra. et al.
"The Power of Focus".
edisi 1
Yogyakarta:
Psikologi Corner,
2022.
Text.