Spoto, D. (1997). Diana: The last year. Harmony Books.
Lua i Stíl Chicago (17ú heag.)Spoto, Donald. Diana: The Last Year. New York: Harmony Books, 1997.
Lua MLA (9ú heag.)Spoto, Donald. Diana: The Last Year. Harmony Books, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.