The article sai you'll get a Goblin specialisation if you complete the quest. However, http://www.wowwiki.com/Gnome_Engineering sai it's the quest for Gnome specialisation. Any idea which is correct?

Both are correct. There are separate quests of the same name for each branch. --Eirik Ratcatcher 21:28, 23 August 2007 (UTC)