Including links that are click-able is easy (and so convenient for readers) ... give it a try (you can use preview mode to test your link before posting) ... you do not need to know html code.
Highlight the URL in your post, click the 3rd icon to the right of the italics symbol (what the heck is that green thing?), paste (you may need to delete http:// if appears twice), click OK -- blogger adds in the html code for you.
Tutorial is here, but I think the process is easier than the directions suggest --
If you want to get fancy, you can provide a descriptive name for the link, such as in this example here, but not necessary --
How to embed a hotlink in your posts