Abramowitz, J. (1963). American history study lessons. Follett.
Lua i Stíl Chicago (17ú heag.)Abramowitz, Jack. American History Study Lessons. Chicago: Follett, 1963.
Lua MLA (8ú heag.)Abramowitz, Jack. American History Study Lessons. Follett, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.