Azizah, Fitria Nur, et al. “Katie’s Personality Development and Ego Defense Mechanisms in Scott Speer’s Midnight Sun (2018): A Freudian Psychoanalytic Study”. LITERA : Jurnal Bahasa Dan Sastra, vol. 12, no. 2, July 2026, pp. 84-93, doi:10.36002/litera.v12i2.5847.