Langan, J. (1992). Ten steps to improving college reading skills (2nd ed.). Townsend Press.
Lua i Stíl Chicago (17ú heag.)Langan, John. Ten Steps to Improving College Reading Skills. 2nd ed. New Jersey: Townsend Press, 1992.
Lua MLA (9ú heag.)Langan, John. Ten Steps to Improving College Reading Skills. 2nd ed. Townsend Press, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.