Space Invaders — разлика између измена

* {{Cite book| editor= Craig Glenday| title= Guinness World Records Gamer's Edition 2008| series= [[Guinness World Records]]| date = 11. 3. 2008.| publisher= Guinness| isbn= 978-1-904994-21-3| pages= 106–107| chapter= Record Breaking Games: Shooting Games Roundup| ref = harv}}