Joy Berry. (2005). A Book About Overdoing It. New York: Scholastic.
Chicago Style aipamenaJoy Berry. A Book About Overdoing It. New York: Scholastic, 2005.
MLA aipamenaJoy Berry. A Book About Overdoing It. New York: Scholastic, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.