Joyce Vallar. (2011). Spelling: Teacher's Guide 2 (Collins Primary Focus) (New edition.). HarperCollins UK.
Lua i Stíl Chicago (17ú heag.)Joyce Vallar. Spelling: Teacher's Guide 2 (Collins Primary Focus). New edition. HarperCollins UK, 2011.
Lua MLA (9ú heag.)Joyce Vallar. Spelling: Teacher's Guide 2 (Collins Primary Focus). New edition. HarperCollins UK, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.