Tims, N., Greenwood, A., Redston, C., & Cunningham, G. (2012). face2face: Elementary Self-study DVD-ROM (segunda edición.). Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Tims, Nicholas, Alison Greenwood, Chris Redston, agus Gillie Cunningham. Face2face: Elementary Self-study DVD-ROM. segunda edición. Cambridge: Cambridge University Press, 2012.
Lua MLA (9ú heag.)Tims, Nicholas, et al. Face2face: Elementary Self-study DVD-ROM. segunda edición. Cambridge University Press, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.