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.
Chicagoスタイル(17版)引用形式奥姆. 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.
MLA(8版)引用形式奥姆. 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.
警告: この引用は必ずしも正確ではありません.