Hartmann, H. (1964). Essays on ego psychology: Selected problems in psychoanalytic theory. Intern. Univ. Press.
Lua i Stíl Chicago (17ú heag.)Hartmann, Heinz. Essays on Ego Psychology: Selected Problems in Psychoanalytic Theory. New York: Intern. Univ. Press, 1964.
Lua MLA (8ú heag.)Hartmann, Heinz. Essays on Ego Psychology: Selected Problems in Psychoanalytic Theory. Intern. Univ. Press, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.