Werner, P. K., Church, M. M., & Baker, L. R. (1996). Interactions two: A communicative grammar (3rd ed., international ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Werner, Patricia K., Mary Mitchell Church, agus Lida R. Baker. Interactions Two: A Communicative Grammar. 3rd ed., international ed. New York: McGraw-Hill, 1996.
Lua MLA (9ú heag.)Werner, Patricia K., et al. Interactions Two: A Communicative Grammar. 3rd ed., international ed. McGraw-Hill, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.