Valentino, J., & DiZinno, N. (2010). Interactive learning exercises. Industrial Press.
Lua i Stíl Chicago (17ú heag.)Valentino, James, agus Nicholas DiZinno. Interactive Learning Exercises. New York, NY: Industrial Press, 2010.
Lua MLA (8ú heag.)Valentino, James, agus Nicholas DiZinno. Interactive Learning Exercises. Industrial Press, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.