Adams, W. E., & Barlow, R. B. (1968). The Western world. Harper & Row.
Lua i Stíl Chicago (17ú heag.)Adams, Wallace E., agus Richard B. Barlow. The Western World. New York: Harper & Row, 1968.
Lua MLA (9ú heag.)Adams, Wallace E., agus Richard B. Barlow. The Western World. Harper & Row, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.