Referral marketing is a method of promoting products or services to new customers through referrals usually it is a word of mouth.
Connecting with the right people isn’t just a one-and-done task, it’s a process that means speaking to ideal customers at every stage of their buying journey.
B2B professionals are making large investments in many channels such as event marketing and e-mail marketing to recognize what is the top sources that generate leads.

Surveyed B2B marketers indicated that referrals marketing is their top source of lead generations with a rate of 86%, while live marketing events & tradeshows were ranked as the second source of B2B leads with a rate of 51%. Then comes at next the e-mail marketing channel at a rate of 37% as one of the B2B marketing lead generation sources.

A Graph Shows The Top Sources of B2B Marketers Lead Generations, 2018.