Williams, B. (1994). The modern world. Peter Bedrick.
Lua i Stíl Chicago (17ú heag.)Williams, Brian. The Modern World. New York: Peter Bedrick, 1994.
Lua MLA (9ú heag.)Williams, Brian. The Modern World. Peter Bedrick, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.