Check out my tutorial http://www.matthewwoodward.co.uk/tutorials/the-ultimate-guide-to-tiered-link-building-part-1/ Let me know if you have any questions
Following activities will help you to do the same- guest blogging article marketing writing awesome content/blogging PR Question and Answer sites(yahoo, quora, stackoverflow) thoughtful blog commenting, forum posting Asking partner sites to place links These are high quality and awesome ways for getting one way link Say Thank you with a Like Button!
There is lots of way to get one way backlinks. specially Blog Commenting , Directory & Article, Guest Blogging.