Lloyd Gutteridge. (2012). IB Business and Management Study Guide: Oxford IB Diploma Program (Study Guide.). Oxford University Press.
Chicago-referens (17:e uppl.)Lloyd Gutteridge. IB Business and Management Study Guide: Oxford IB Diploma Program. Study Guide. Oxford University Press, 2012.
MLA-referens (9:e uppl.)Lloyd Gutteridge. IB Business and Management Study Guide: Oxford IB Diploma Program. Study Guide. Oxford University Press, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.