Butler, C. (1986). Who are you?: Discovering your real identity. The Science of Identity Institute.
Lua i Stíl Chicago (17ú heag.)Butler, Chris. Who Are You?: Discovering Your Real Identity. Makati: The Science of Identity Institute, 1986.
Lua MLA (9ú heag.)Butler, Chris. Who Are You?: Discovering Your Real Identity. The Science of Identity Institute, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.