Puchta, H., & Stranks, J. (2004). English in mind: Class audio Cds 2. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Puchta, Herbert, agus Jeff Stranks. English in Mind: Class Audio Cds 2. Cambridge: Cambridge University Press, 2004.
Lua MLA (9ú heag.)Puchta, Herbert, agus Jeff Stranks. English in Mind: Class Audio Cds 2. Cambridge University Press, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.