Lua APA (7ú heag.)

Symington, N. (2002). A pattern of madness. Karnac.

Lua i Stíl Chicago (17ú heag.)

Symington, Neville. A Pattern of Madness. London: Karnac, 2002.

Lua MLA (9ú heag.)

Symington, Neville. A Pattern of Madness. Karnac, 2002.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.