Cita APA (7th ed.)
De, B. (2007). Business economics and business environment (3rd ed.). Tee Dee pub.
Cita Chicago (17th ed.)
De, Bipul. Business Economics and Business Environment. 3rd ed. Kolkata: Tee Dee pub, 2007.
Cita MLA (9th ed.)
De, Bipul. Business Economics and Business Environment. 3rd ed. Tee Dee pub, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.