劳伦森 & 凯利. (2010). 你的骨头比混凝土还硬: Your bone are stronger than concrete. 四川少年儿童出版社.
Chicago Style (17th ed.) Citation劳伦森 and 凯利. 你的骨头比混凝土还硬: Your Bone Are Stronger than Concrete. 四川少年儿童出版社, 2010.
MLA (8th ed.) Citation劳伦森 and 凯利. 你的骨头比混凝土还硬: Your Bone Are Stronger than Concrete. 四川少年儿童出版社, 2010.
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