Coe, N., Rycroft, R., & Ernest, P. (1983). Writing skills: A problem-solving approach for upper-intermediate and more advanced students. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Coe, Norman, Robin Rycroft, agus Pauline Ernest. Writing Skills: A Problem-solving Approach for Upper-intermediate and More Advanced Students. Cambridge: Cambridge University Press, 1983.
Lua MLA (9ú heag.)Coe, Norman, et al. Writing Skills: A Problem-solving Approach for Upper-intermediate and More Advanced Students. Cambridge University Press, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.