Tod Brown is the king of funnels so check his stuff out.
Tons of Facebook advertising courses... just go through a bunch of free trainings online.
Perry Marshall for Google AdWords stuff. Has a great book that goes through everything you need to do. Also has some courses on the Display Network.
PS. send me a private message if you like. I'm working on a course on automotive digital marketing and I'm first doing some market research about the pain-points that people have and what they would most like to learn
If you really want to get good at this stuff start by becoming a Google partner and getting certified in all the things they offer. Facebook blueprint is the next thing I would do. It's 100% free for both certifications.