Fuller, R. B. (1981). Critical path. St. Martin's Press.
Lua i Stíl Chicago (17ú heag.)Fuller, R. Buckminster. Critical Path. New York, N.Y: St. Martin's Press, 1981.
Lua MLA (9ú heag.)Fuller, R. Buckminster. Critical Path. St. Martin's Press, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.