Loftus, B. (2011). Sigismund's watch: A tiny catastrophe. Wilson.
Lua i Stíl Chicago (17ú heag.)Loftus, Barbara. Sigismund's Watch: A Tiny Catastrophe. London: Wilson, 2011.
Lua MLA (8ú heag.)Loftus, Barbara. Sigismund's Watch: A Tiny Catastrophe. Wilson, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.