Kourdi, J. (2015). Big 100: The 100 Business Tools You Need to Succeed. John Murray Learning.
Chicago-referens (17:e uppl.)Kourdi, Jeremy. Big 100: The 100 Business Tools You Need to Succeed. London: John Murray Learning, 2015.
MLA-referens (9:e uppl.)Kourdi, Jeremy. Big 100: The 100 Business Tools You Need to Succeed. John Murray Learning, 2015.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.