John Jackman. (2011). Comprehension: Introductory Pupil Book (Collins Primary Focus) (Revised ed.). HarperCollins UK.
Lua i Stíl Chicago (17ú heag.)John Jackman. Comprehension: Introductory Pupil Book (Collins Primary Focus). Revised ed. HarperCollins UK, 2011.
Lua MLA (9ú heag.)John Jackman. Comprehension: Introductory Pupil Book (Collins Primary Focus). Revised ed. HarperCollins UK, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.