Ho Peg Leng. Cambridge Primary Science Activity Book 5. Marshall Cavendish.
Chicago-čujuhus (17. p.)Ho Peg Leng. Cambridge Primary Science Activity Book 5. Singapore: Marshall Cavendish.
MLA-čujuhus (9. p.)Ho Peg Leng. Cambridge Primary Science Activity Book 5. Marshall Cavendish.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.