Ho Peg Leng. Cambridge Primary Science Activity Book 5. Marshall Cavendish.
芝加哥风格引文Ho Peg Leng. Cambridge Primary Science Activity Book 5. Singapore: Marshall Cavendish.
MLA引文Ho Peg Leng. Cambridge Primary Science Activity Book 5. Marshall Cavendish.
警告：这些引文格式不一定是100％准确.