To my knowledge SI does not offer such documentation. You'll want to do your research elsewhere, but here are some results I found googling the topic:

http://www.blogmarketingacademy.com/top-10-blog-monetization-strategies-ranked/

http://www.feverbee.com/monetizing/

http://www.business2community.com/online-marketing/website-monetization-strategies-to-get-your-site-earning-money-0542892

ES itself isn't necessarily a monetization tool, but it can be leveraged for monetization. Look no further than other models like Facebook or MySpace.