Farokhah, A. F. 2015. “Anxiety Suffered by Elizabeth Holland in Anna Godbersen’s Splendor” Skripsi Malang: Faculty of Humanities, Maulana Malik Ibrahim State Islamic University.
Freud, S., Strachey, J. 1949. An Outline Of Psychoanalysis. New York: W.W Norton.
Huda, N. N. 2014 “Anxiety On The Main Character Rebecca Bloomwood in The Film P.J. Hogan’s Confessions of a Shopaholic” Skripsi Yogyakarta: Faculty of Adab and Cultural Sciences, State Islamic Sunan Kalijaga University.
Klarer, M. 2004. An Introduction To Literary Studies. London: Routledge.
Mawarni, Y. R. 2014. “Anxiety Disorder in J.K Rowling’s Harry Potter and the Philosopher’s Stone, Harry Potter and The Chamber of Secret, and Harry Potter and the Prisoner Of Azkaban” Faculty of Letters, Jember University.
Snyder, H. M. 2011. Analyzing Literature-To-Film Adaptations. [Online]
Wangkanusa, N. M. 2015 “Anxiety on the Main Characters in the Novel The Great Gatsby by F.Scott Fitzgerald” Skripsi Manado: Faculty of Humanities, Sam Ratulangi University.