Log into your ClixSense.com account. On your main screen once logged in, you will find your own referral link listed. Send your referral link to potential referrals. If a new member is brought to ClixSense.com through your referral link, you are credited with that person as a direct referral.
You should also visit our forum as there are some great posts on how to get referrals there. Try to be creative in your promoting efforts and try to promote where you think others are not currently promoting ClixSense.