1. login via web
  2. "clients" tab at the top of the screen
  3. choose a client (you can use the search tool if needed)
  4. actions button (left-hand side of client's profile)
  5. edit
  6. Select appropriate referral source and hit save. 

(Keep in mind, if another client/person referred someone, you can choose the referral source as "other" and then enter in the referring person's name)

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