Gaya APA
Sinaga, D. (2023).
Extra Ordinary Leadership 4.0 : I Can't Change Yesterday But I Can Change Today .
Yogyakarta:
Lautan Pustaka.
Gaya MLA
Sinaga, Derman.
"Extra Ordinary Leadership 4.0 : I Can't Change Yesterday But I Can Change Today".
Yogyakarta:
Lautan Pustaka,
2023.
Text.