Lua APA (7ú heag.)
Doff, A., & Jones, C. (1998). Meanings into words upper intermediate workbook: An integrated course for students of english. CUP.
Lua i Stíl Chicago (17ú heag.)
Doff, Adrian, agus Christopher/Mitchell Jones. Meanings into Words Upper Intermediate Workbook: An Integrated Course for Students of English. Cambridge: CUP, 1998.
Lua MLA (9ú heag.)
Doff, Adrian, agus Christopher/Mitchell Jones. Meanings into Words Upper Intermediate Workbook: An Integrated Course for Students of English. CUP, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.