Lua APA (7ú heag.)
Sanfeliú, I., & Walters, K. (2014). Karl Abraham: The birth of object relations theory. Karnac Books.
Lua i Stíl Chicago (17ú heag.)
Sanfeliú, Isabel, agus Kate Walters. Karl Abraham: The Birth of Object Relations Theory. London: Karnac Books, 2014.
Lua MLA (9ú heag.)
Sanfeliú, Isabel, agus Kate Walters. Karl Abraham: The Birth of Object Relations Theory. Karnac Books, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.