Lewis, D., & Greene, J. (1982). Thinking better (ed.). McClelland and Stewart.
Lua i Stíl Chicago (17ú heag.)Lewis, David, agus James Greene. Thinking Better. ed. Canada: McClelland and Stewart, 1982.
Lua MLA (9ú heag.)Lewis, David, agus James Greene. Thinking Better. ed. McClelland and Stewart, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.