How do I create a link to original source in autoblog post template?

guys how do I create a link to original source in autoblog post template?
what is the code for it?

one that I use for whatever reason refers to non-existent page of my blog, instead of original article, not sure why.

can anybody help with this, please?

Neither codes direct to original article:

(one above directs to the feed's code itself)

(and this one directs to 'not found" page on my blog. why?)