Lizardi, Ryan. “Repelling the Invasion of the ‘Other’: Post-Apocalyptic Alien Shooter Videogames Addressing Contemporary Cultural Attitudes”. Eludamos: Journal for Computer Game Culture 3, no. 2 (October 26, 2009): 295–308. Accessed January 18, 2025. https://new.eludamos.org/index.php/eludamos/article/view/vol3no2-11.