Is Guest Posting only way to get Quality Links?

[Wilsonjacob45]

Guest posting is the best and most convenient way to build the links for your site. But there are some techniques also available that you can be used to build quality backlinks for your site.
Techniques like:

• Forum Participation
  
• Profile Creation Sites
  
• Web 2.0 Sites
  
• Social Bookmarking Sites
  
• Press Release
  

You can also try these types of techniques.