Shepherd, J., Rossner, R., & Taylor, J. W. (1984). Ways to grammar: A modern english practice book. Macmillan.
Lua i Stíl Chicago (17ú heag.)Shepherd, John, Richard Rossner, agus James Walter Taylor. Ways to Grammar: A Modern English Practice Book. London: Macmillan, 1984.
Lua MLA (8ú heag.)Shepherd, John, et al. Ways to Grammar: A Modern English Practice Book. Macmillan, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.