Lua APA (7ú heag.)

Collins UK. (2018). Cambridge IGCSE® English Workbook (Cambridge International Examinations) ("Third Edition, Third edition".). HarperCollins UK.

Lua i Stíl Chicago (17ú heag.)

Collins UK. Cambridge IGCSE® English Workbook (Cambridge International Examinations). "Third Edition, Third edition". HarperCollins UK, 2018.

Lua MLA (9ú heag.)

Collins UK. Cambridge IGCSE® English Workbook (Cambridge International Examinations). "Third Edition, Third edition". HarperCollins UK, 2018.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.