Linked Referral Sources to Deals - Just like Contacts

In all of MarK Roberge’s lectures he talks about yoru sales team knowing where your deals come from. Inbound/Organic/Referral. Yet, Hubspot doesn’t have the ability to track this? How did Mark build hubspot into a $100MM company without knowing where the deals come from? REference- https://youtu.be/aIAbNeqn9K8