DOUGLAS, A. E. (1995). Symbolitic Interactions Angela E. Douglas. Oxford University.
Lua i Stíl Chicago (17ú heag.)DOUGLAS, Angela E. Symbolitic Interactions Angela E. Douglas. Oxford University, 1995.
Lua MLA (8ú heag.)DOUGLAS, Angela E. Symbolitic Interactions Angela E. Douglas. Oxford University, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.