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.
Dyfyniad Arddull Chicago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.
Dyfyniad MLA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.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.