Ho Peg Leng. Cambridge Primary Science Activity Book 5. Marshall Cavendish.
Lua i Stíl Chicago (17ú heag.)Ho Peg Leng. Cambridge Primary Science Activity Book 5. Singapore: Marshall Cavendish.
Lua MLA (9ú heag.)Ho Peg Leng. Cambridge Primary Science Activity Book 5. Marshall Cavendish.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.