ALLSOP, J. (1988). Penguin english tests book 2. Penguin Books.
Lua i Stíl Chicago (17ú heag.)ALLSOP, Jake. Penguin English Tests Book 2. London: Penguin Books, 1988.
Lua MLA (9ú heag.)ALLSOP, Jake. Penguin English Tests Book 2. Penguin Books, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.