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