Gaya APA
Echdar, S., Maryadi, . (2019).
Business Ethics and Entrepreneurship = Etika Bisnis dan Kewirausahaan .
Yogyakarta:
Deepublish.
Gaya MLA
Echdar, Saban., Maryadi, .
"Business Ethics and Entrepreneurship = Etika Bisnis dan Kewirausahaan".
Yogyakarta:
Deepublish,
2019.
Buku Text.