Lloyd Gutteridge. (2010). Business and Management for the IB Diploma: Study Guide (International Baccalaureate) (Study Guide.). Oxford University Press.
Chicago-čujuhus (17. p.)Lloyd Gutteridge. Business and Management for the IB Diploma: Study Guide (International Baccalaureate). Study Guide. Oxford University Press, 2010.
MLA-čujuhus (9. p.)Lloyd Gutteridge. Business and Management for the IB Diploma: Study Guide (International Baccalaureate). Study Guide. Oxford University Press, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.