郑昌勋 & 卢仁庆. (2014). 我们当上了宇航员: Let's become an astronaut. 接力出版社.
Chicago Style (17th ed.) Citation郑昌勋 and 卢仁庆. 我们当上了宇航员: Let's Become an Astronaut. 接力出版社, 2014.
MLA citiranje郑昌勋 and 卢仁庆. 我们当上了宇航员: Let's Become an Astronaut. 接力出版社, 2014.
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