Kourdi, J. (2015). Big 100: The 100 Business Tools You Need to Succeed. John Murray Learning.
Chicago-viite (17. p.)Kourdi, Jeremy. Big 100: The 100 Business Tools You Need to Succeed. London: John Murray Learning, 2015.
MLA-viite (9. p.)Kourdi, Jeremy. Big 100: The 100 Business Tools You Need to Succeed. John Murray Learning, 2015.
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