Referral link aren't allowed, just use it on your site, don't post it here.
Sometime telling people about this rule is not too effective, so better to report it to moderator instead. One more thing, since it is not allowed, but you help him to spread the ref link by quoting it on your post. Suggestion, once you found referral spam like the one you have just replied, dont quote it or snip it if you want to quote it (at least remove the link). Reported the ref link posts to mod from my end.