How do I enter referrals in my profile?

You can enter referrals here or by clicking on "Referrals" under the "Settings" tab in your profile. Simply enter another member's ID in the "Add new referral" box en then click on "Select". This will allow you top chose a field and a language pair for which the other member can be a reference and a comment. Once you click on "Save", the referral will show in the "Referrals" section of your profile page.