Lua APA (7ú heag.)
Langan, J. (2008). College Writing Skills with Readings (7th ed.). McGraw Hill.
Lua i Stíl Chicago (17ú heag.)
Langan, John. College Writing Skills with Readings. 7th ed. New York: McGraw Hill, 2008.
Lua MLA (9ú heag.)
Langan, John. College Writing Skills with Readings. 7th ed. McGraw Hill, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.