Puchta, H., Stranks, J., & Levy, M. (2004). English in mind: Workbook. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Puchta, Herbert, Jeff Stranks, agus Meredith Levy. English in Mind: Workbook. Cambridge: Cambridge University Press, 2004.
Lua MLA (9ú heag.)Puchta, Herbert, et al. English in Mind: Workbook. Cambridge University Press, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.