Gaya APA
Kusuma, Rifian Candra. (2022).
The Power of Focus .
yogyakarta:
Psikologi Corner.
Gaya Chicago
Kusuma, Rifian Candra.
The Power of Focus.
yogyakarta:
Psikologi Corner,
2022.
Text.
Gaya MLA
Kusuma, Rifian Candra.
The Power of Focus.
yogyakarta:
Psikologi Corner,
2022.
Text.
Gaya Turabian
Kusuma, Rifian Candra.
The Power of Focus.
yogyakarta:
Psikologi Corner,
2022.
Print.