Gilbert, B. (1973). The trailblazers. Time-Life Books.
Lua i Stíl Chicago (17ú heag.)Gilbert, Bil. The Trailblazers. New York: Time-Life Books, 1973.
Lua MLA (9ú heag.)Gilbert, Bil. The Trailblazers. Time-Life Books, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.