Greenall, S., & Pye, D. (1991). Reading 2. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Greenall, Simon, agus Diana Pye. Reading 2. Cambridge: Cambridge University Press, 1991.
Lua MLA (8ú heag.)Greenall, Simon, agus Diana Pye. Reading 2. Cambridge University Press, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.