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 Style (17th ed.) Citation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 (8th ed.) Citation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.
Warning: These citations may not always be 100% accurate.