Freud, S., Freud, A., Strachey, J., & Tyson, A. (2001). The Ego and the Id and other works: (1923 - 1925). Vintage.
Lua i Stíl Chicago (17ú heag.)Freud, Sigmund, Anna Freud, James Strachey, agus Alan Tyson. The Ego and the Id and Other Works: (1923 - 1925). London: Vintage, 2001.
Lua MLA (8ú heag.)Freud, Sigmund, et al. The Ego and the Id and Other Works: (1923 - 1925). Vintage, 2001.
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