CHRIST, H. I. (1982). Modern English In Action Henry I. Christ And Jerome Carlin. D.C Heath and Company.
Lua i Stíl Chicago (17ú heag.)CHRIST, Henry I. Modern English In Action Henry I. Christ And Jerome Carlin. D.C Heath and Company, 1982.
Lua MLA (8ú heag.)CHRIST, Henry I. Modern English In Action Henry I. Christ And Jerome Carlin. D.C Heath and Company, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.