Kennedy, P. M. (1994). Preparing for the twenty-first century (First Vintage Books edition.). Vintage Books.
Lua i Stíl Chicago (17ú heag.)Kennedy, Paul M. Preparing for the Twenty-first Century. First Vintage Books edition. New York: Vintage Books, 1994.
Lua MLA (8ú heag.)Kennedy, Paul M. Preparing for the Twenty-first Century. First Vintage Books edition. Vintage Books, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.