http://resources.dice.com/report/quality-referrals-technical/

Yes, you can hire an ad agency to help you create award winning employee referral posters, or give out big awards to drive awareness. But, top technical recruiters and hiring managers know that it takes a lot more than big bonuses and attractive posters to get their referral pipelines filled. Below are time-tested, practical techniques you can use — today — to generate more quality technical referrals for your organization.