Hi Karan,
With Press Releases this is always the case. In my opinion it is good as long as you put the content on your own site first. In the press release you than link to this source as you mention. I would advise to look at the link quality (spamscore and DA) of the press sites you want to send it to. It is better to have a couple very good links than a lot of low quality free publicity links.
Good luck!
Tymen