APA aipamena

Lionni, L. (1995). Little blue and little yellow. New York: Harper Collins.

Chicago Style aipamena

Lionni, Leo. Little Blue and Little Yellow. New York: Harper Collins, 1995.

MLA aipamena

Lionni, Leo. Little Blue and Little Yellow. New York: Harper Collins, 1995.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.