Kagan, D. (1996). Western heritage brief: Study guide and work book. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Kagan, Donald. Western Heritage Brief: Study Guide and Work Book. New Jersey: Prentice Hall, 1996.
Lua MLA (9ú heag.)Kagan, Donald. Western Heritage Brief: Study Guide and Work Book. Prentice Hall, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.