Samuel, L. R. (2009). Future: A recent history. University of Texas Press.
Lua i Stíl Chicago (17ú heag.)Samuel, Lawrence R. Future: A Recent History. Austin: University of Texas Press, 2009.
Lua MLA (9ú heag.)Samuel, Lawrence R. Future: A Recent History. University of Texas Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.