Gaya APA

Sidik, A, S, ;, E, D, P. (2021). Leadership in practice . Jakarta: Jakarta : PT Balai Pustaka, 2021.

Gaya MLA

Sidik, Asmawi, Syam, ;, Editor,, Djunjunan, Purnama. "Leadership in practice". Jakarta: Jakarta : PT Balai Pustaka, 2021, 2021. Ebook.