Gaya APA
Kok, E, J. (2017).
Coaching genius at work: cara mudah membangun tim andalan .
Jakarta:
PT Gramedia Pustaka Utama.
Gaya MLA
Kok, Erni, Julia.
"Coaching genius at work: cara mudah membangun tim andalan".
Jakarta:
PT Gramedia Pustaka Utama,
2017.
Text.