Gaya APA
Echdar, S. (2019).
business ethics and Entrepreneurship : Etika Bisnis & Kewirausahaan .
Yogyakarta:
DEEPUBLISH.
Gaya MLA
Echdar, Saban.
"business ethics and Entrepreneurship : Etika Bisnis & Kewirausahaan".
Yogyakarta:
DEEPUBLISH,
2019.
Buku.