To access your "Sales By Referral Source" Report follow the Tabs below:
Reports--->Sales--->Sales By Referral Source
Once on this page you have the options to select the dates you would like to view the report for.
It will also give you the options to "Export to PDF" or "Export to CSV" so you can save and print your reports whenever needed. You can also select which branch or branches you would like to view the figures for.