奥姆. (2009). 冥王星·彗星和小行星: Let's explore Pluto and other dwarf Planers, Let's explore Comets and Asteroids. 四川少年儿童出版社.
Lua i Stíl Chicago (17ú heag.)奥姆. 冥王星·彗星和小行星: Let's Explore Pluto and Other Dwarf Planers, Let's Explore Comets and Asteroids. 四川少年儿童出版社, 2009.
Lua MLA (8ú heag.)奥姆. 冥王星·彗星和小行星: Let's Explore Pluto and Other Dwarf Planers, Let's Explore Comets and Asteroids. 四川少年儿童出版社, 2009.
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