Gaya APA

Hajjah, E, R, E. (2011). Business Ethics = Etika Bisnis. Edisi Revisi (Cet.2). : .

Gaya MLA

Hajjah, Erni, R., Ernawan,. "Business Ethics = Etika Bisnis. Edisi Revisi". Cet.2 : , 2011. Textbook.