Lloyd Gutteridge. (2010). Business and Management for the IB Diploma: Study Guide (International Baccalaureate) (Study Guide.). Oxford University Press.
Čikaški stil citiranja (17. izdanje)Lloyd Gutteridge. Business and Management for the IB Diploma: Study Guide (International Baccalaureate). Study Guide. Oxford University Press, 2010.
MLA način citiranja (9. izdanje)Lloyd Gutteridge. Business and Management for the IB Diploma: Study Guide (International Baccalaureate). Study Guide. Oxford University Press, 2010.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.