APA (7e ed.) Bronvermelding

Parr, T. (2010). The EARTH book. Little, Brown and Company Books for Young Readers.

Chicago (17e ed.) Bronvermelding

Parr, Todd. The EARTH Book. New York: Little, Brown and Company Books for Young Readers, 2010.

MLA (8e ed.) Bronvermelding

Parr, Todd. The EARTH Book. Little, Brown and Company Books for Young Readers, 2010.