1. Login to your personal account.
2. Find your ad there.
3. Enter into it (click on it).
4. Once logged in, copy what will be in the address bar of the browser (at the top of the browser) (select the entire contents of the line and press "ctrl + c" or through the right mouse button "Copy ." You can take the link without going into the ad - in Personal account move the mouse over the heading of the desired ad, through the right mouse button - "Copy link".
5. After that, in the right place of the text - if you need to give a link - "ctrl + v", or the right mouse button - "Paste".