Fitzgerald, . S. P. (2002). Decision making. Capstone.
Lua i Stíl Chicago (17ú heag.)Fitzgerald, Stephen P. Decision Making. Oxford: Capstone, 2002.
Lua MLA (9ú heag.)Fitzgerald, Stephen P. Decision Making. Capstone, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.