APA (7e ed.) Bronvermelding
De, B. (2007). Business economics and business environment (3rd ed.). Tee Dee pub.
Chicago (17e ed.) Bronvermelding
De, Bipul. Business Economics and Business Environment. 3rd ed. Kolkata: Tee Dee pub, 2007.
MLA (9e ed.) Bronvermelding
De, Bipul. Business Economics and Business Environment. 3rd ed. Tee Dee pub, 2007.
Let op: Deze citaties zijn niet altijd 100% accuraat.