Lloyd Gutteridge. (2010). Business and Management for the IB Diploma: Study Guide (International Baccalaureate) (Study Guide.). Oxford University Press.
Chicago-viite (17. p.)Lloyd Gutteridge. Business and Management for the IB Diploma: Study Guide (International Baccalaureate). Study Guide. Oxford University Press, 2010.
MLA-viite (9. p.)Lloyd Gutteridge. Business and Management for the IB Diploma: Study Guide (International Baccalaureate). Study Guide. Oxford University Press, 2010.
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