Beattie, Scott (2007). "Voicing the Shadow: Rule-playing and Roleplaying in Wraith: The Oblivion". Law, Culture and the Humanities. 3 (3): 477–492. doi:10.1177/1743872107081432. S2CID144615842.
Beattie, Scott (2007). "Voicing the Shadow: Rule-playing and Roleplaying in Wraith: The Oblivion". Law, Culture and the Humanities. 3 (3): 477–492. doi:10.1177/1743872107081432. S2CID144615842.