What are some good ways to earn referrals?

I have obtained a lot of referrals from traffic exchanges and have included a list of the ones I use on my website. They are all free to join and have certainly worked for me. If you want any help, please send me a message. http://julie-moneymakingsites.blogspot.com

As others have mentioned the best thing to do is to get your name and referral links out there - create a blog that reviews your chosen program (shows how they work etc) visit related forums. You need to be honest and up front as there are a lot of skeptical people out there so you need to give them the chance to trust you. There are also several downline builders etc that are free to join. One program I strongly recommend as it shows you how to manage traffic exchanges and safelists etc (as well as other ways to promote your programs) is H-I-T http://tinyurl.com/2p29vv Other than that you just need to keep working on things - it can take time but they will come :-)

As much exposure as possible, try writing about them in blogs or emails to friends and family. Show people proof, such as payments or prizes. Content is what sells and keeps people coming back for more.